1. All examples are from the Big Ideas Math 8 Textbook
Equations Notes
All examples are from the Big Ideas Math 8 Textbook

2. One Step Equation by add or subtract
Ex 1
x - 7= -6
Ex 2
y = 0.5

3. One Step Equation multiply or divide
Ex 3
Ex 4

4. Word Problem
The melting point of a solid is the temperature at which the sold becomes a liquid. The melting point of bromine is 1/30 of the melting point of nitrogen. Write and solve an equation to find the melting point of nitrogen.

5. Two Step Equation
Ex 1
1.5x + 15 = 24

6. Combine Like Terms
Ex 2
8x - 6x - 25 = -35

7. Distributive Property in Equations
Ex 3
2(1 - 5x) + 4 = - 8

8. Word Problem
Use the table to find the number of miles x you need to run on Friday so that the mean number of miles run per day is 1.5

9. Equations with Variables on Both Sides Lesson 1.3

10. Example of One Solution
-2 (x-5) = 6( 2 - ½ x)

11. Example of No Solution
3 - 4x = x

12. Example of Infinite Solution
6x + 4 = 4 ( 3/2 x + 1)

13. Real World Application Example
Write and solve an equation to find the number of miles you must drive to have the same cost for each of the car rentals.
x = x
0.25 x = 10
x= 40

14. Lesson 1.4
Rewriting equations

15. Example 1 Rewrite an equation
solve the equation 2y + 5x = 6 for y

16. Example 2 Rewrite a Formula
Solve for l for the following

17. Example 3 Rewriting Temperature