Lesson 2-1 Combine Like Terms to Solve Equations

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

Tags

CCSS.7.NS.A.1D

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Tags

CCSS.7.EE.A.1

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y

Tags

CCSS.7.EE.A.1

Solve the following equation for n:
8 + n = 16

• n=24
• n=6
• n=2
• n=8

Tags

CCSS.6.EE.B.7

Solve for w

• -8
• 8
• -32
• 32

Tags

CCSS.7.EE.B.4A

Solve for r

• 3
• -3
• 3.3
• 10

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

CCSS.7.EE.B.4A

Solve:

• x = 24
• x = 12
• x = 17.5
• x = 19.5

Tags

CCSS.7.EE.B.4A

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

Tags

CCSS.8.EE.C.7B

Solve  9 + 3x = 10

• 2/3
• 1/3
• -1/3
• 4

Tags

CCSS.7.EE.B.4A