Solving Equations with Variables on Both Sides of Equation

Solve: 5x + 15 = 10x - 40

• x = 10

• x = -10

• x = 11

• x = -11

What operation did he perform to get from Step 1 to Step 2?

• Subtracted 2x from both sides of the equation

• Subtracted 9 from both sides of the equation

• Multiplied both sides of the equation by 3

• Added -3 to both sides of the equation

Tags

CCSS.HSA.REI.A.1

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

What is the solution to the equation?

• 4

• 3

• 2

• 1

Tags

CCSS.8.EE.C.7B

9x - 4x - 5 = 10

• 3

• -3

• 1

• 3.5

Tags

CCSS.8.EE.C.7B

Solve the equation

4x - 5x + 9 =5x - 9

• x = -3

• x = 9

• x = 3

• x = -9

Solve:
2x + 1 = 2x - 1

• No Solution

• x = 0

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

Solve for X:

4x + 5 = 2x + 7

• 1/3

• 2/3

• 3

• 2

10x + 9 = 4x - 9

• x = 0

• x = 3

• x = -3

• x = -18

7w + 5 = 3w - 15

• w = 5

• w = -2

• w = 2

• w = -5

Solve the equation:
7x - 4 = 3 + 8x

• x = 7

• x = -7

• x = 2/7

• x = 11