Two-Step Equations

Two-Step Equations

By Erina Hong

Poll

How well do you understand how to solve Two-Step Equations?

• Level 1:

  I'm lost.

• Level 2:

  I'm starting to understand.

• Level 3:

  I understand it but I make a few errors.

• Level 4:

  I've mastered it!

Multiple Choice

The Inverse Operation of Adding is...

• Adding.

• Subtracting.

• Multiplying.

• Dividing.

Multiple Choice

The Inverse Operation of Subtracting is...

• Adding.

• Subtracting.

• Multiplying.

• Dividing.

Multiple Choice

The Inverse Operation of Multiplying is...

• Adding.

• Subtracting.

• Multiplying.

• Dividing.

Multiple Choice

The Inverse Operation of Dividing is...

• Adding.

• Subtracting.

• Multiplying.

• Dividing.

Multiple Choice

What is the first step to solving:

$$8x-4=12$$  

• Add both sides by 4

• Divide both sides by 8

• Subtract both sides by 4

• Subtract both sides by 12

Multiple Choice

What is the next step to solving:

$$8x=16$$  

• Add both sides by 8

• Divide both sides by 8

• Subtract both sides by 8

• Subtract both sides by 16

Multiple Choice

What is the first step to solving:

$$11x+100=23$$  

• Add both sides by 100

• Divide both sides by 11

• Subtract both sides by 100

• Subtract both sides by 23

Multiple Choice

What is the next step to solving:

$$11x=-77$$  

• Add both sides by 77

• Divide both sides by 11

• Subtract both sides by 77

• multiply both sides by -77

Multiple Choice

What is the first step to solving:

$$\frac{d}{18}+6=16$$  

• Add both sides by 6

• Multiply both sides by 18

• Subtract both sides by 6

• Subtract both sides by 16

Multiple Choice

What is the next step to solving:

$$\frac{d}{18}=10$$  

• Divide both sides by 10

• Divide both sides by 18

• Multiply both sides by 10

• Multiply both sides by 18

Multiple Choice

What is the first step to solving:

$$-9=\frac{p}{4}-6$$  

• Add both sides by -9

• Multiply both sides by 4

• Subtract both sides by 9

• Add both sides by 6

Multiple Choice

What is the next step to solving:

$$-3=\frac{p}{4}$$  

• Divide both sides by -3

• Divide both sides by 4

• Multiply both sides by 4

• Multiply both sides by -3

Poll

Now how do you feel about solving Two-Step Equations?

• Level 1:

  I'm lost.

• Level 2:

  I'm starting to understand.

• Level 3:

  I understand it but I make a few errors.

• Level 4:

  I've mastered it!

Multiple Choice

What is the first step in solving the following equation? $$3x-5=20$$  

• multiply both sides by 5

• add 5 to both sides

• divide both sides by 5

• subtract both sides by 5

Multiple Choice

After adding 5 to both sides of the equation, what will the equation look like? $$3x-5=20$$  

• 3x=20

• 3x=25

• -5x=20

• 5x=20

Multiple Choice

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.

Multiple Choice

After subtracting 11 to both sides of the equation, what will the equation look like? 11 - 3x = 44

• -3x=44

• 11x=44

• -3x=33

• 8x=44