Solving Equations by Combining Like Terms

Solving Equations by Combining Like Terms

Multiple Choice

In the following expression, which are the like terms?

3x + 2x + 6y + 3

• 6y and 3

• 2x and 3

• 3x and 2x

Multiple Choice

Which of these are like terms in the following expression:

3x + 7 - 9x + 24y + 2x²

• 7 and 24y

• 3x and 2x²

• 3x and -9x

Steps for Solving

• Combine Like Terms on the Same side of the Equal sign.

• Undo addition and subtraction.

• Undo multiplication and division.

Multiple Choice

2n + 3n + 7 = -43

• n = 10

• n = -10

• n = -56/5

Multiple Choice

6x - 5 + 7x = 34

• x = 31

• x = 3

• x = -31

Multiple Choice

 $-7v-7-2=12$  

•  $v=-3$  

•  $v=16$  

•  $v=-5$  

Multiple Choice

7a + 1 + 3 = 18

• a=4

• a=18

• a=2