1. Multi-Step Equations with variable(s) on one side
Solving Equations
Multi-Step Equations with variable(s) on one side
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2. Steps to solve variable 1. Use distributive property
get the letter by itself
variable
1. Use distributive property
2. Combine like terms
3. Use inverse operations (do/undo)
You may not have to do all the steps to solve the equation
“You know you are done solving when there is a positive 1 in front of the variable.”
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3. Solving Multi-Step Equations with a Variable on One Side
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4. Solving Equations with Justification
Original problem
Combine like terms
To Solve:
Subtraction Property of Equality
D U
• 3
+ 16
+ 16
÷ 3
Division Property of Equality
Check solution
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5. Solving Equations with Justification
Continue with check:
Check:
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6. Solving Equations with Justification
Original problem
Distributive Property
To Solve:
Combine like terms
Addition Property of Equality
D U
• 4
-30
-30
÷ 4
Division Property of Equality
Check solution
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7. Solving Equations with Justification
Continue with check:
Check:
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