Solving Equations by Adding or Subtracting

The reverse operation of subtraction is

• adding

• subtracting

• multiplying

• dividing

Tags

CCSS.HSA.REI.A.1

What is the reverse operation of adding?

• Dividing

• Multiplying

• Adding

• Subtracting

Tags

CCSS.2.NBT.B.5

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

Tags

CCSS.6.EE.B.7

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.7

x+8=10

• x=2
• x=5
• x=0
• x=1

Tags

CCSS.6.EE.B.7

x - 8 = -5 

• 13
• -13
• 3
• -3

Tags

CCSS.6.EE.B.7

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10
• v + 4 = 10
• 10 - 4 = v
• Answer not Given

Tags

CCSS.HSA.CED.A.3

What equation matches this situation?
John wants to buy an MP3 Player that costs $30.98.  How much change did he receive if he gives the cashier $40.

• 40 + c = 39.98
• 30.98 + c = 40
• c - 40 = 39.98
• c - 39.98 = 40

Tags

CCSS.HSA.CED.A.3

Solve the equation:
x - 5.5 = 10.5

• x = 15
• x = 14
• x = 16
• x = 15.5

Tags

CCSS.6.EE.B.7

y - 4.6 = 12

• 16.6
• 5.8
• 7.4
• Answer not Given

Tags

CCSS.6.EE.B.7