Solving One-Step Equations by Adding or Subtracting

The inverse of subtraction is 

• adding
• subtracting
• multiplying 
• dividing

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.NBT.B.9

What is the inverse of adding?

• Dividing
• Multiplying
• Adding
• Subtracting

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.NBT.B.9

Describe how you would isolate the variable.

x + 22 = 64

• Multiply both sides of the equation by 22

• Divide both sides of the equation by 22

• Add 22 to both sides of the equation

• Subtract 22 from both sides of the equation

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.

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

x + 2 = 10

• 12
• 10
• 2
• 8

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

x - 8 = 5

• 13
• -3
• -8
• -13

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

x - 12 = 24

• -12
• 36
• 12
• 0

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

x+8=10

• x=2
• x=5
• x=0
• x=1

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

x - 8 = -5 

• 13
• -13
• 3
• -3

Tags

CCSS.6.EE.B.7

x + 3 = 29

• x = 32
• x = 29
• x = 26
• x = 3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7