Multi-Step Equations

Simplify the expression using the distributive property:

10(2x-7)

• 20x+70

• 20x-7

• 20x+7

• 20x-70

Tags

CCSS.6.EE.A.3

What is the first step to solve this equation?

7x-9=40

• divide both sides by 7

• add 9 to both sides

• subtract 9 to both sides

• multiply both sides by 7

Tags

CCSS.7.EE.B.4A

Solve the equation:

7x-9=40

• x=9

• x=-7

• x=7

• x=31/7

Tags

CCSS.7.EE.B.4A

Solve the equation:

-3y+5=8y-6

• y=1

• y=-2

• y=-2.2

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve the equation:

8m+10=3m+25

• m = 35/11

• m = -5

• m = 7

• m=5

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

10x-8 = 2x+5+7x

• No Solution

• Infinite Solutions

• x=3

• x=13

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

Which of the following is an appropriate first step to solve the equation:  $5x\ -7\left(x+1\right)=3x\ -9$  

• subtract 1
  

• add 5x and 3x
  

• subtract 5 and 7
  

• distribute the -7 to x and 1
  

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve the equation:

5x-7(x-1)=3x-9

• x = -2

• x=0.4

• x = -2/5

• x =8/5

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6