1. Bellwork
Sept 30 – Oct 4
Solve.

2. Writing and Solving Linear Equations
These are the topics that will be on your test:
Section 1 - Writing Equations by Looking at Tables
Section 2 - Write and Solve One-Step Linear Equations
Section 3 - Write and Solve Multi-Step Linear Equations
Section 4 - Write and Solve Linear Equations with x on Both Sides
Section 5 - Write and Solve Linear Equations with Two Different Variables
Estimated Date of Test: October 14th

3. STUDENT WORDS OR EXAMPLE
VOCABULARY
TERM
TEACHER WORDS
STUDENT WORDS OR EXAMPLE
4 + 6x
Parts of an addition or subtraction problem
Terms
-3 + x
8x – 5

4. 3 1 Ex #1 How many terms are on the left side of the equation?
How many terms are on the right side of the equation? 1

5. 2 2 Ex #2 How many terms are on the left side of the equation?
How many terms are on the right side of the equation? 2

6. 3 4 Ex #3 How many terms are on the left side of the equation?
How many terms are on the right side of the equation? 4

7. STUDENT WORDS OR EXAMPLE
VOCABULARY
TERM
TEACHER WORDS
STUDENT WORDS OR EXAMPLE
same variable
same exponent
same side of =
x and -4x
12y2 and 3y2
Like Terms
1r3 and 2r3
and 7

8. ? Identify the like terms. Ex #1
Like terms…have the same variable raised to the same power, are on the same side of the =

9. Identify the like terms.
Ex #2
Identify the like terms.
Like terms…have the same variable raised to the same power, are on the same side of the =

10. ? Identify the like terms. Ex #3
Like terms…have the same variable raised to the same power, are on the same side of the =

11. STUDENT WORDS OR EXAMPLE
VOCABULARY
TERM
TEACHER WORDS
STUDENT WORDS OR EXAMPLE
Coefficient
A number multiplied by a variable
87x
-9.4x
The number in front of the letter x 1

12. STUDENT WORDS OR EXAMPLE
VOCABULARY
TERM
TEACHER WORDS
STUDENT WORDS OR EXAMPLE 1
x – 4x
= -3x
Add the coefficient and leave the variable and exponent the same
12y2 + 3y2
=15y2
Combining
Like Terms
1r3 + 2r3
= 3r3
+ 7
7 1/2 =

13. 4. Undo addition or subtraction
5 steps to follow when
Solving Equations
(isolating x)
1. Distribute 1. 2.
2. Combine like terms 3.
4. Undo addition or subtraction
5. Undo multiplication or division

14. +6 +6 7 7 Ex #1 Combine like terms first, THEN
SOLVING EQUATIONS BY COMBINING LIKE TERMS
Ex #1
Combine like terms first,
THEN +6 +6
Undo addition and subtraction next,
THEN 7 7
Undo multiplication and division
GOAL: to isolate x

15. -15 -15 -11 -11 Ex #2 Combine like terms first, THEN
SOLVING EQUATIONS BY COMBINING LIKE TERMS
Ex #2
Combine like terms first,
THEN
-15
-15
Undo addition and subtraction next,
THEN
-11
-11
Undo multiplication and division
GOAL: to isolate x

16. YOU TRY
Simplify:

17. YOU TRY
What’s the coefficient here? 1

18. YOU TRY