Isolating Variables and Inverses

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.

What is the inverse of multiplication?

• Addition

• Subtraction

• Division

What is the inverse of division?

• Addition

• Multiplication

• Subtraction

• Divide both sides by 11

• Multiply both sides by 11

• Add 11 to both sides

• Subtract 11 to both sides

-3a + 8 = 14

• a= -2
• a= -7.5
• a= 2
• a= 6

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

9 = 2s + 1 

• 4
• -4
• 3.5
• 5

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.REI.A.1

4c - 6 = 2 

• 2
• -2
• 1
• 3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.A.2

CCSS.6.EE.B.7

-5 = 3m - 14

• 3
• -3
• 12
• -6.3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.A.2

• Add 7 to both sides 

• Subtract 7 from both sides

x + 9 > 17

• x > -8

• x > 8

• x > 26

• x > -26

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.1