Simplifying Expressions and Solving Equations

Simplify the expression by combining like terms:
 $-7x+9+5x-3$  

•  $12x+12$  

•  $-2x+6$  

•  $-2x-12$  

•  $12x+6$  

Tags

CCSS.7.EE.A.1

Simplify the expression by combining like terms: $5x+12+y-3+2y-5-4x$  

•  $4x+4$  

•  $x+2y+4$  

•  $9x+3y+20$  

•  $x+3y+4$  

Tags

CCSS.7.EE.A.1

Simplify the expression:
 $5m-(2m-6)$  

•  $3m+6$  

•  $7x\ +6$  

•  $3m-6$  

•  $7x-6$  

Tags

CCSS.6.EE.A.3

What is the value of the expression below when
a = 3, b = -2, and c = 4

 $a^2\ +3b\ -5c\$  

•  $-5$  

• 23

•  $-17$  

• 35

Tags

CCSS.6.EE.A.2C

Which expression best represents

"twice the difference between

a number and 7"?

• $2x+7$

• $2\left(x+7\right)$

• $2x-7$

• $2\left(x-7\right)$

Tags

CCSS.6.EE.A.2A

Solve for x:

 $-8x\ =\ 4$  

•  $-\frac{1}{2}$  

•  $2$  

•  $-2$  

•  $\frac{1}{2}$  

Tags

CCSS.6.EE.B.7

Solve for n:

 $\frac{n}{6}-3=2$  

• 9

• 15

•  $-\frac{5}{6}$  

• 30

Tags

CCSS.7.EE.B.4A

Solve for a:

 $7+3\left(-2x+4\right)=-5$  

•  $\frac{8}{3}$  

• 4

•  $-4$  

• 4.5

Tags

CCSS.7.EE.B.4A

Solve for x:

 $3x-6=10-x$  

• 2

• 1

• 4

•  $-4$  

Tags

CCSS.6.EE.B.7

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Solve for y:

 $\frac{8-y}{-3}=-9$  

•  $-19$  

•  $5$  

•  $19$  

•  $-5$  

Tags

CCSS.7.EE.B.4A