Solving 2-Step Equations

Solving 2-Step Equations

Solving 2 Step Equations

• Step 1: Split Equation into Left/Right Sides

• Step 2: Move all variables (x's) LEFT

• Step 3: Move all numbers (#'s) RIGHT

• Step 4: Divide by the number in front of x

Solving 2 Step Equations

• Subtract 2x from both sides

• Add 11 to both sides

• Divide both sides by 3

• x=9

Solving 2 Step Equations

• Subtract 3x from both sides

• Subtract 14 from both sides

• Divide both sides by 5

• Remember a negative divided by a positive is a negative

• x=-5

Multiple Choice

What step should be taken to move to move the 4x from the right side of the following equation?

10x - 9 = 4x + 15

• Add 4x to both sides

• Subtract 4x from both sides

• Multiply 4x to both sides

• Divide 4x from both sides

Multiple Choice

What step should be taken to move the -9 from the left side of the equation?

6x - 9 = 15

• Add 9 to both sides

• Subtract 9 from both sides

• Multiply 9 to both sides

• Divide 9 from both sides

Multiple Choice

What is the last step to solve the following equation?

6x = 24

• Add 6 to both sides

• Subtract 6 from both sides

• Multiply 6 to both sides

• Divide both sides by 6

Multiple Choice

What is the solution?

6x = 24

• x = 2

• x = 6

• x = 8

• x = 4

Solving 2 Step Equations

• Subtract 9x from both sides

• Subtract 10 from both sides

• Divide both sides by -4

• x=-7

Solving 2 Step Equations

• Add 6x to both sides

• Subtract 10 from both sides

• Divide both sides by 9

• x=5

Solving 2 Step Equations

• Add 6x to both sides

• Add 18 to both sides

• Divide both sides by -11

• x=2

Multiple Choice

What step should be taken to move -3x from the right side of the equation?

8x + 10 = -3x + 54

• Add 3x to both sides

• Subtract 3x from both sides

• Multiply both sides by 3x

• Divide both sides by 3x

Multiple Choice

What step should be taken to move 10 from the left side of the equation?

11x + 10 = 54

• Add 10 to both sides

• Subtract 10 from both sides

• Multiply both sides by 10

• Divide both sides by 10

Multiple Choice

What is the last step to solve the following equation?

11x = 44

• Add 11 to both sides

• Subtract 11 from both sides

• Multiply both sides by 11

• Divide both sides by 11

Multiple Choice

What is the solution?

11x = 44

• x = .25

• x = 0.3

• x = 4

• x = 7

Multiple Choice

What is the solution to the following equation?

6x + 8 = 3x + 44

• x = 6

• x = 12

• x = 5

• x = 8

Multiple Choice

What is the solution to the following equation?

2x - 12 = 7x + 23

• x = 6

• x = -6

• x = 7

• x = -7