Equations Pre-Test

17 = x + 3

• x = 20
• x = 14
• x = 13
• x = 19

Tags

CCSS.6.EE.B.7

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

Tags

CCSS.6.EE.B.7

4 + b = 30

• b = -34

• b = 34

• b = -26

• b = 26

x - 62 = 123

How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side.

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

10x = 90

• x = 80
• x = 100
• x = 10
• x = 9

Tags

CCSS.6.EE.B.7

5. 6x = 30

• x = 36

• x = 24

• x = 180

• x = 5

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Tags

CCSS.6.EE.B.7

6 - 3a = 21

• a= 9
• a= -9
• a= -5
• a= 5

Tags

CCSS.7.EE.B.4A

26 = 5a + 1

• a= 25

• a= -5

• a= 0

• a= 5

Solve: 3(x-4) = -3

• x= 3

• x= -3

• x= 6

• x= -5