Solving 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

What is the inverse operation of subtraction?

• Subtraction
• Multiplication
• Division
• Addition

Tags

CCSS.2.NBT.B.5

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.HSA.REI.A.1

Translate 4 more than x equals 7 into an equation and solve. 

• x+4=7
  x = 11
• x+4=7
  x = 3
• x-4=7
  x = 11
• x-4=7
  x=3

Tags

CCSS.6.EE.B.7

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

When solving 234 + N =389, what operation would you use to find the answer

• multiplication
• addition
• subtraction
• division

Tags

CCSS.4.NBT.B.4

What is the solution for x + 9 = 21

• 10
• 12
• 11
• 13

Tags

CCSS.6.EE.B.7

Solve for b
2b = -16

• 8
• 4
• -8
• 3

Tags

CCSS.8.EE.A.2

• x = 20
• x = 7
• x = 10
• x = 3

Tags

CCSS.6.EE.B.7

x - 8 = -5 

• 13
• -13
• 3
• -3

Tags

CCSS.6.EE.B.7