Solving Equations with Numbers on Both Sides

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

Solve the equation

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

• x = -3

• x = 9

• x = 3

• x = -9

-2

-4

2

4

• -2

• -4

• 2

• 4

• -5
• -6
• 5
• 6

• A

• B

• C

• D

Tags

CCSS.7.EE.B.4A

• 1
• 19
• -10
• 10

• 8
• 6
• 2
• 4

• A

• B

• C

• D

• A
• B
• C
• D