Solving Multi-Step Equations Extra Practice

What is the first step to solve this equation?
3x + 6 = 10 + 3x + 4x 

• Add 4x to both sides of the equation

• Combine like terms 3x and 4x on the same side of the equation

• Add 3x and 6 to get 9x

• Add 6 and 10 to get 16

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

-15 = 5a +12- 2a + 6

• -11
• -3
• 10
• 7

Tags

CCSS.8.EE.C.7B

3a + 9 + 4a = 2

• -1
• 1
• no solution
• -7

Tags

CCSS.8.EE.C.7B

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides
• Add the 2a and a 
• Distribute 4 to a and -5
• Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

2 + 14a = -8 + 9a

• -2
• 3
• 5
• -10

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

-a = 9(a - 10)

• 9
• 1
• 90
• 10

Tags

CCSS.8.EE.C.7B

22 + 2a = 37 + 6 + a

• 21
• -21
• 5
• 6

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

0.75 + 2(a - 0.5) = 3a - 0.4

• 0.15
• 5
• 1.5
• 3.75

Tags

CCSS.8.EE.C.7B

Solve the equation:
3(x - 1) = 2x + 9

• x = 12
• no solution
• x = 10
• x = 6

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve the equation:
3x - x + 2 = 4(2x - 1)

• infinite solutions
• x = 1
• x = -1
• no solution

Tags

CCSS.8.EE.C.7A