Solving two-step equations

Solve for a

• a= -2

• a= -7.5

• a= 2

• a= 6

Solve for x

• x = 2

• x = -2

• x = -10

• x = 4

Solve for x

• 2/3

• 1/3

• -1/3

• 4

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5
• add 5 to both sides
• divide both sides by 5
• subtract both sides by 5

Tags

CCSS.7.EE.B.4A

3n + 4 = 7 

• 1
• -1
• 3.67
• 2

Tags

CCSS.7.EE.B.4A

9 = 2s + 1 

• 4
• -4
• 3.5
• 5

Tags

CCSS.7.EE.B.4A

5d - 6 = 9

• 3
• -3
• 0.67
•  10

Tags

CCSS.7.EE.B.4A

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

Tags

CCSS.7.EE.B.4A

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

Tags

CCSS.7.EE.B.4A

8x - 9 = 12

What is the variable in this expression?

• 8

• x

• 9

• -9