Solve Equations, Distribute and Combine Like Terms

• add the 5
  

• divide by the 2
  

• distribute the 3
  

• subtract the 21
  

Tags

CCSS.HSA.REI.A.1

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

Solve:
5y + 34 = -2(-7y+1)

• y = -4

• y = 9

• y = 4

• y = 36/19

Solve:

7x + 19 = -2x + 55

• 4

• 14.8

• 8.2

• -4

Solve:

2(4x - 3) - 8 = 4 + 2x

• x = 5/3

• x = 3

• x = 1

• x = 2

Which is the correct order in which to solve multi-step equations?

• Distribute

  Combine like terms

  Get the variable on one side by add or subtracting

  Divide or multiple

• Add or subtracting

  Distribute

  Combine like terms

  Divide or multiple

• Divide or multiple

  Add or subtracting

  Distribute

  Combine like terms

Tags

CCSS.8.EE.C.7B

8v - 4(v + 8) = 8

• 2

• 10

• 4

• -4 

Tags

CCSS.8.EE.C.7B

Solve

-19 = -8 (-4+a) - (2a+1)

• -1

• 14

• -5

• 5

Tags

CCSS.8.EE.C.7B

Tags

CCSS.8.EE.C.7B

Which step cannot be performed first when solving the equation

5 - 2(x - 7) = x + 1 + 3x

• Distributing -2 to (x - 7)

• Combining x and 3x

• 5 - 2