3/8 Expressions & Equations Review

Simplify: 

 $18m-9v+6v-7m$  

•  $25m+3v$  

•  $11m-3v$  

•  $25m-3v$  

•  $-11m+15v$  

Solve: 

 $\frac{x}{8}+6=32$  

•  $x=208$  

•  $x=40$  

•  $x=5$  

•  $x=38$  

Simplify: 

 $\frac{1}{2}\left(12k-6\right)$  

•  $24k-3$  

•  $24k-12$ 

•  $6k-3$  

•  $6k+3$  

Simplify.
-5n + 2(4 - 5n)

• -15n + 8
• -5n - 2
• -5n + 9
• 5n + 8

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5
• add 5 to both sides
• divide both sides by 5
• subtract both sides by 5

Factor: 10x + 15

• 100x + 150
• 10(x + 5)
• 1(10x + 15)
• 5(2x + 3)

Factor the following expression:
81v - 36

• 9(9v - 4)
• 6(7v -4)
• 9(18v - 2)
• 18(4v - 2)

Solve the equation 
n + 8 = 41

• 12
• 9
• 4
• 33

The sum of five times a number and -6 is -2.

• $-6n+5=-2$

• $5n-(-6)=-2$

• $5n+(-6)=-2$

• $\frac{n}{5}-6=-2$

Three less than one-half a number is -71.

• $-\frac{1}{2}n+2=-71$

• $\frac{1}{2}n-3=-71$

• $2n-\frac{1}{2}=-71$

• $3-\frac{1}{2}n=-71$