Solve Multi Step Equations - saralandboe.org
Transcript of Solve Multi Step Equations - saralandboe.org
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Main Idea Example 1: Solve Multi-Step EquationsExample 2: Use the Distributive Property
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• Use Properties of Equality to solve multi-step equations.
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Solve Multi-Step Equations
Solve 2(10 + t) = 42.
2(10 + t) = 42 Write the equation.20 + 2t = 42 Distributive Property
– 20 = – 20 Subtraction Property of Equality2t = 22 Simplify.
t = 11 Simplify.
Division Property of Equality
Answer: t = 11
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A. y = 11.25
B. y = 13.5
C. y = 15.75
D. y = 22.5
Solve 4(y – 9) = 54.
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WALKING The length of Philip’s stride when walking is 4 inches greater than the length of Anne’s stride. If it takes Philip 5 steps and Anne 6 steps to walk the same distance, what is the length of Anne’s stride?
Use the Distributive Property
Use a bar diagram.
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Use the Distributive Property
5(s + 4) = 6s Write the equation.5s + 20 = 6s Distributive Property
– 5s = – 5s Subtraction Property of Equality20 = s Simplify.
Answer: The length of Anne’s stride is 20 inches.
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A. 20 minutes
B. 35 minutes
C. 50 minutes
D. 60 minutes
MUSIC Carlos practiced the piano 15 minutes less than Liam. Parker practiced the piano 3 times as much as Carlos. If the three boys practiced 115 minutes altogether, how long did Carlos practice?
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