Unit 1-5: Solving 2-Step Equations

Unit 1-5: Solving 2-Step Equations

by Ms. Blanton

​Remember the steps:

​If they are not written in your notebook, please write them now.

STEP 1: Box the 'X' and draw your line

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​STEP 2: UNDO addition or subtraction

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​STEP 3: UNDO multiplication

Multiple Choice

When you see a letter and a variable next to eachother like this: $$8x$$  , this means...

• 8 and x are being added

• 8 and x are being subtracted

• 8 and x are being divided

• 8 and x are being multiplied

Open Ended

Complete this sentence to show that you understand a very important Algebra rule: If you do something to one side of the equals sign, you must...

​Let's practice!

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Multiple Choice

$$10x+2=92$$  

What is the FIRST step to solve for x? 

• Box the x and draw your line 

• Subtract 2 from both sides 

• Add 2 on both sides 

• Divide by 10 on both sides 

Multiple Choice

$$10x+2=92$$  

What is the SECOND step to solve for x? 

• Box the x and draw your line 

• Subtract 2 from both sides

• Add 2 on both sides

• Divide by 10 on both sides

Multiple Choice

$$10x+2=92$$  

What is the LAST step to solve for x? 

• Box the x and draw your line 

• Subtract 2 from both sides 

• Add 2 on both sides 

• Divide by 10 on both sides 

Multiple Choice

$$-3x-10=20$$  

What is the FIRST step to solve for x? 

• Box the x and draw your line 

• Subtract 10 from both sides

• Add 10 on both sides

• Divide by -3 on both sides

Multiple Choice

$$-3x-10=20$$  

What is the SECOND step to solve for x? 

• Box the x and draw your line 

• Subtract 10 from both sides

• Add 10 on both sides 

• Divide by -3 on both sides

Multiple Choice

$$-3x-10=20$$  

What is the THIRD step to solve for x? 

• Box the x and draw your line 

• Subtract 10 from both sides

• Add 10 on both sides

• Divide by -3 on both sides