Solving Equations on Both Sides

10x + 9 = 4x - 9

• x = 0

• x = 3

• x = -3

• x = -18

The goal of solving a one, two, or multi-step equations is to:

• Find the constant

• Find the coefficient

• Find the value of the variable

• Be confused

Tags

CCSS.6.EE.B.7

What is the first step to solve this equation:

11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

Solve for X:

4x + 5 = 2x + 7

• 1/3

• 2/3

• 3

• 2

• x = 4

• x = -4

• x = 2

• x = -2

Jacob solved the following equation using the steps shown.

Step 1 5x + 9 = 2x - 3

Step 2 3x + 9 = -3

Step 3 3x = -12

Step 4 x = -4

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: 5x + 15 = 10x - 40

• x = 10

• x = -10

• x = 11

• x = -11

4( x + 2) = 16

What is the solution to the equation?

• -2

• 0

• 1

• 2

Tags

CCSS.7.EE.B.4A

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.7.EE.B.4A