Lesson 7

When solving the equation $-4x=16$  the correct algebra step to use is

• Add 4 to both sides.

• Subtract 4 from both sides.

• Multiply both sides by -4.

• Divide both sides by -4.

The solution to the equation $-4x=16$  is

• -64

• 20

• -4

• 12

Which of the following expressions is equivalent to $6\left(x-8\right)$  ?

•  $6x-8$  

•  $6x-48$  

•  $6x+8$  

•  $6x+48$  

Simplify the following expression: $4x+9-6x+3$  

•  $10x+12$  

•  $12-2x$  

•  $10x+6$  

•  $-2x+6$  

Which of the following are the correct steps, in the correct order, to solve the equation $15+2x=3$  ?

• First divide both sides by 2, then subtract 15 from both sides.

• First subtract 15 from both sides, then divide both sides by 2.

• First multiply both sides by 2, then subtract 15 from both sides.

• First add 15 to both sides, then divide both sides by 2.

In the equation $\frac{3}{4}x=24$ , what algebra step will "undo" the 4?

• Add 4 to both sides.

• Subtract 4 from both sides.

• Multiply both sides by 4.

• Divide both sides by 4.

What is the solution to the equation $\frac{3}{4}x=24$  ?

• 6

• 16

• 18

• 32

What is the FIRST algebra step needed to solve the equation $6x-3=39$ ?

• Add 3 to both sides.

• Subtract 3 from both sides.

• Multiply both sides by 6.

• Divide both sides by 6.

What is the solution to the equation $6x-3=39$ ?

• 6

• 7

• 3.5

• 9.5

Which of the following are the correct steps, in the correct order, to solve the equation $\frac{x}{8}+3=5$ ?

• Multiply both sides by 8, then subtract 3 from both sides.

• Divide both sides by 8, then subtract 3 from both sides.

• Subtract 3 from both sides, then multiply both sides by 8.

• Subtract 3 from both sides, then divide both sides by 8.