The model represents the equation x + 2 =6. What is the value of x? x + + = + + + + + +

Slides:

Advertisements

Similar presentations

EXAMPLE 4 Solve proportions SOLUTION a x 16 = Multiply. Divide each side by 10. a x 16 = = 10 x5 16 = 10 x80 = x8 Write original proportion.

Advertisements

Introduction To Equation Solving. xx 2x + 1 = 4 Solve :

REVIEW Inverse Operations

Solve an equation using subtraction EXAMPLE 1 Solve x + 7 = 4. x + 7 = 4x + 7 = 4 Write original equation. x + 7 – 7 = 4 – 7 Use subtraction property of.

Click on the text to see the different geometric proofs.

Solving Equations with variables on both sides of the Equals Chapter 3.5.

Equations & Brackets.. You are now going to solve more complex equations by combining together two ideas that you have seen already. Try the following.

Standardized Test Practice

Solving Equations with Brackets or Fractions. Single Bracket Solve 3(x + 4) = 24 3x + 12 = 24 3x + 12 – 12 = x = 12 x = 4 Multiply brackets out.

EQUATIONS This presentation accompanies the worksheet: “Simple equations” available at:

7-5 Logarithmic & Exponential Equations

Inverse Operations ExpressionInverse Operation How do you get the variable by itself? x + 5 x x x ÷ 20 x3x3.

W ARM ~U PS : F IND THE MISSING NUMBER 2 +3= = =19.

Whiteboardmaths.com © 2008 All rights reserved

Learn to solve systems of equations.

Chapter Nine Section Three Multiplying a Polynomial by a Monomial.

Combining Like Terms. Variable A symbol which represents an unknown. Examples: x y z m.

Solve a logarithmic equation

Solving Multi- Step Equations. And we don’t know “Y” either!!

Equation y + 5 y + 5 = 20 Expressions

Jeopardy Solving Equations Add and Subtract Multiply and Divide Multi-Step Variables on each side Grouping Symbols $100 $200 $300 $400 $500 $100 $200.

2.1 Solving One Step Equations. Addition Property of Equality For every real number a, b, and c, if a = b, then a + c = b + c. Example 8 = For every.

Lesson 1-8 Solving Addition and Subtraction Equations.

Solve an equation using addition EXAMPLE 2 Solve x – 12 = 3. Horizontal format Vertical format x– 12 = 3 Write original equation. x – 12 = 3 Add 12 to.

Example 1 Solving Two-Step Equations SOLUTION a. 12x2x + 5 = Write original equation. 112x2x + – = 15 – Subtract 1 from each side. (Subtraction property.

Solving Two-step Equations Algebraically. Ex. 1) 2x + 1 = 7 With algebra tiles Algebraically 2x + 1 = x = 3 2x + 1 = 7 X = 3 2x = 6 2 Take away,

How to Use Algebra Tiles. What are Algebra Tiles????? X X2X2 Red = Negative Numbers Yellow = Positive Numbers A Small Square = 1 A Rectangle = X A Large.

4.4 Absolute Value 11/14/12. Absolute Value: The distance of a number from 0 on a number line. Written as l x l Ex. |5| (distance of 5 from 0) = 5 Ex.

Steps for Solving Equations with Variables on Both Sides 1.Distribute when necessary. 2.Combine like terms if possible. 3.Add or subtract to get the variables.

One Step Equations and Inequalities Review

Simple Equations Brackets Consider the simple equation 5(2x+3) = 3(x+9) Remove the brackets to obtain 10x + 15 = 3x + 27 Subtract 15 from both sides.

* Collect the like terms 1. 2a = 2a x -2x + 9 = 6x z – – 5z = 2z - 6.

Solving 2 step equations. Two step equations have addition or subtraction and multiply or divide 3x + 1 = 10 3x + 1 = 10 4y + 2 = 10 4y + 2 = 10 2b +

Solving Algebraic Equations. Equality 3 = = = 7 For what value of x is: x + 4 = 7 true?

3.5 Solving Equations with Variables on Both Sides.

Example: 2x+5x+6=20 Since there aren’t any parentheses, you need to combine your like terms which are 2x and 5x. After combining like terms, rewrite the.

5x(x 2 – 4) (y 2 + 4)(y 2 – 4) (9 + d 2 )(9 – d 2 )

Substitution Method: Solve the linear system. Y = 3x + 2 Equation 1 x + 2y=11 Equation 2.

Jeopardy Solving Equations

Solving the Quadratic Equation by Completing the Square

Solving Linear Inequalities in One Unknown

Equations Pre/Post Test

Equations with variables on both sides Whiteboard practice

ONE STEP EQUATIONS.

ONE STEP EQUATIONS.

Variables on Both Sides with Equations

Solving One Step Equations

Solving Equations by Factoring and Problem Solving

Solving One-Step Equations

EQ: How do I solve an equation in one variable?

G Dear ©2009 – Not to be sold/Free to use

Multi-Step Equations TeacherTwins©2014.

Solving Multi-Step Equations

Multi-Step Equations TeacherTwins©2014.

Equations with variables on both sides Whiteboard practice

a + 2 = 6 What does this represent? 2 a

Subtract the same value on each side

Warm – Up On your white board, model the following equation:

G Dear ©2010 – Not to be sold/Free to use

Equations – Success if you can do these

Learn to solve 2-step equations

Solving Two Step Algebraic Equations

Do Now Solve. 1. –8p – 8 = d – 5 = x + 24 = 60 4.

Solving Inequalities.

ONE STEP EQUATIONS WHAT?!?!.

Solving basic equations

ONE STEP EQUATIONS.

Solving 1 and 2 Step Equations

By: Savana Bixler Solving Equations.

ONE STEP EQUATIONS.

Presentation transcript:

The model represents the equation x + 2 =6. What is the value of x? x + + =

The model represents the equation x + 4 =-3. What is the value of x? x + + =

The model represents the equation 3x + 3 =9. What is the value of x? XXX =

The model represents the equation 2x -3 =-7. What is the value of x? xx -- =

The model represents the equation x  8  2. What is the value of x? F x  6 G x  4 H x  8 J x  10

The model below represents the equation 3x + 6  15. What is the first step in finding the value of x? A) Divide the beans equally among the 3 cups B) Add 15 beans to each side of the model C) Add 6 beans to each side of the model D) Subtract 6 beans from each side of the model

The model below represents the equation 3x = 9. xx x = What is the first step in finding the value of x? A) Subtract 9 stars from each side of the model. B) Add 9 stars to each side of the model C) Subtract 3 stars from each side of the model D) Divide the stars equally among the 3 boxes

The equation 3x + 3 = x + 9 is modeled below. A x = 3 B x = 6 C x = 12 D x = 4

The model represents the equation 2x + 4  4y + 4. What is the value of x? A x  2y B x  4y C x  2y + 4 D x  4y + 8

The model represents the equation 3x + 5 =6y+2. What is the value of x? xx x = yyy yyy + + +