Equations Review

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.
• Add 7 to both sides.
  The solution is x = 19.
• Multiply both sides by 7 The solution is x = 84.

Tags

CCSS.6.EE.B.7

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

• Divide both sides by 11
• Multiply both sides by 11.
• Add 11 to both sides.
• Subtract 11 to both sides.

Tags

CCSS.6.EE.B.7

Solve the equation:
20.5 = x + 4

• 16.5
• 16.05
• 24.5
• 24.05

Tags

CCSS.6.EE.B.7

y/3=12

• 36
• -36
• 4
• -4

Tags

CCSS.6.EE.B.7

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

Tags

CCSS.6.EE.B.7

7k - 14 = 42

• 7

• -8

• 0

• 8

Tags

CCSS.7.EE.B.4A

-12 = 24 + 4b

• 3

• 0

• -9

• 9

Tags

CCSS.7.EE.B.4A

3g - 5 =17

• 10

• -7

• 7.33333333333

• 6

Tags

CCSS.7.EE.B.4A

9=4g+13

• 1

• -1

• 0

• 3

Tags

CCSS.7.EE.B.4A

13= 5m -2

• -3

• 2

• 3

• -2

Tags

CCSS.7.EE.B.4A