Solving 2-Step Equations

Presentation

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Mathematics

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9th Grade

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Practice Problem

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Medium

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CCSS

6.EE.B.7, 6.EE.A.3, 7.EE.B.4A

Standards-aligned

Jesus Barrientos

Used 155+ times

FREE Resource

7 Slides • 10 Questions

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

Solving 2-Step Equations

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