Warm Up 5x + 12 = -13 -x – 4 = 9 The junior class is selling granola bars to raise money. They purchased 1250 granola bars and paid a delivery fee of.

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Warm Up 5x + 12 = -13 -x – 4 = 9 The junior class is selling granola bars to raise money. They purchased 1250 granola bars and paid a delivery fee of $25. The total cost was $800. What is the cost of each granola bar?

Solving Multi-Step Equations Combining Like Terms

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

Vocabulary Like Terms

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 -11 -11 3. Undo the number being multiplied/ divided from the variable -2k = 6 -2 -2 k = -3

Solve each equation. 1. 3a + 6 + a = 90 2. 36 + 3t – 16 = 41 3. 6a – 2a = -36 4. -18 = 3c – 8c + 7

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

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?

Assignment: Pg.98-100 #10-20,54, 57, 69-80