Solve Equations Adding and Subtracting

2(2x + 3) = -6(x + 9)

• 2

• 6

• -6

• 7.5

Solve:

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

• x = 5/3

• x = 3

• x = 1

• x = 2

Solve

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

• -1

• 14

• -5

• 5

Tags

CCSS.8.EE.C.7B

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

• y = -4

• y = 9

• y = 4

• y = 36/19

Solve: 5x + 15 = 10x - 40

• x = 10

• x = -10

• x = 11

• x = -11

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

8v - 4(v + 8) = 8

• 2

• 10

• 4

• -4 

Tags

CCSS.8.EE.C.7B

Solve for x.

(a)  

Tags

CCSS.7.EE.B.4A

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

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