Equations Review

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

5x+4=^-6

• 2
• -2
• 10
• 15

-4x+1=21

• x=120
• x=5
• x=30
• x=-5

2.     2x + 6 = 14

• x = 4
• x = 10
• x = -4
• x = 3

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9
• x = 3

Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

4x + 10 = -26

• 4
• -4
• -9
• 9

7.    -4y = 48

• x = -52
• x = -12
• x = -44
• x = -13

Which of the following is an equation?

• $8x$

• $8x=2$

• $8x-5$

• 8 divided by x