Simplifying Expressions and Solving Equations

Simplify by combining like terms:

3x + 2x

• 5x

• x

• 6x

• 5

Tags

CCSS.7.EE.A.1

Simplify by combining like terms:

2x + 1 + 7x

• 10x

• 10

• 9x + 1

• 9 + 1x

Tags

CCSS.6.EE.A.3

Simplify by combining like terms:

n -10 + 9n -3

• -3

• 9n-3

• n

• 10n -13

Tags

CCSS.7.EE.A.1

Simplify by combining like terms:

7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

Tags

CCSS.7.EE.A.1

2r + 2 + 5r - 2 + r 

• 8r 
• 8r - 4 
• 12r 
• 7r + 4 + r 

Tags

CCSS.7.EE.A.1

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

10x = 90

• x = 80
• x = 100
• x = 10
• x = 9

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

r - 18 = 27

• -45
• 45
• -9
• 9

Tags

CCSS.6.EE.B.5

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Tags

CCSS.6.EE.B.7