Equations Review

Which of the following is an equation?

• $8x$

• $8x=2$

• $8x-5$

• 8 divided by x

How would you solve this equation: 9x = 153 ? 

• multiply both sides by 9
• divide both sides by 9
• add 9 to both sides
• subtract 9 from both sides

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

x - 8 = -5 

• 13
• -13
• 3
• -3

-4x+1=21

• x=120
• x=5
• x=30
• x=-5

 $-3+x=7$  

•  $x=6$  

•  $x=-4$  

•  $x=4$  

•  $x=10$  

4x + 10 = -26

• 4
• -4
• -9
• 9

 $\frac{x}{5}=20$  

• 100

• 120

• 4

• 5

-4y = 48

• x = -52

• x = -12

• x = -44

• x = -13