1. Warm Up
5x + 12 = -13
-x – 4 = 9
The junior class is selling granola bars to raise money. They purchased granola bars and paid a delivery fee of $25. The total cost was $800. What is the cost of each granola bar?

2. Solving Multi-Step Equations Combining Like Terms

3. Objective
TSWBAT solve multi-step equations in one variable by combining like terms.

4. Vocabulary
Like Terms

5. Solve each equation.
3k – 5k + 11 = 17
1. Combine Like Terms on the same side of the equal sign.
2. Undo the number being add/subtracted to the variable.
-2k + 11 = 17
3. Undo the number being multiplied/ divided from the variable
-2k = 6
k = -3

6. Solve each equation.
1. 3a a = 90
t – 16 = 41
3. 6a – 2a = -36
= 3c – 8c + 7

7. Given the following perimeter, find the value of x.
1. p = 78 cm
2. p = 40 in. 2x
2x – 1
4x + 6

8. Solve.
You need to build a rectangular pen in your back yard for your dog. One side of the pen will be against the house. Two sides of the pen have a length of x feet and the width will be 25 ft. What is the greatest length the pen can be if you have 63 ft. of fencing?

9. Assignment:
Pg #10-20,54, 57, 69-80