Math 7-Equations Quiz

What is the first step in solving x + 6 = 13?

• add six to both sides

• subtract six from both sides

• subtract 13 from both sides

What is the first step in solving 5x = 20?

• divide both sides by 5

• subtract both sides by 5

• multiply both sides by 5

True or False: the first step in solving this equation is to multiply both sides by 4.

 $\frac{x}{4}=\ 3$  

• True

• False

Solve for x.

x + 13 = 24

• x = 9

• x = 12

• x = 11

• x = 8

Solve for n.

-10 = 2 + n

• n = -12

• n = 8

• n = -8

• n = 12

Solve for x.

 $\frac{x}{3}=5$  

• x = 5

• x = 8

• x = 1

• x = 15

Solve for x.

2x + 3 = 13

• x = 4

• x = 9

• x = 5

• x = 7

Solve for n.

3x - 2 = 19

• x = -7

• x = 7

• x = 4

• x = 21

Solve for x.

 $\frac{x}{5}+2=4$  

• x = 20

• x = 4

• x = 5

• x = 10

Solve for n.

18 = 3n - 6

• n = 8

• n = 2

• n = 9

• n = 10