Testing Equations

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

20 = 2 - a

• a= 18
• a= -18
• a= -10
• a= 12

7 + ^a⁄₃ = 5

• a= -2
• a= -6
• a= 3
• a= 15

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

-4x+1=21

• x=120
• x=5
• x=30
• x=-5

Solve the equation for x:
2x + 3x + 4 = 44

• x = 8
• x = 9
• x = 10
• x = 11

Solve the equation for x:
8x - 6x + 4 + 5 = 19

• x = 4
• x = 5
• x = 6
• x = 7

3(3x - 6) = 18

• x = 4
• x = -4
• x=8
• x= -12

Solve for x.
4(2x+8)-3x = 47

• 13
• 2
• 3
• 7.8

^x/₄- 3 = 9

• 48
• 24
• 3
• 36