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04-02-2018
Mathematics

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What's the answer to -5(3-z)=z+1

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04-02-2018

-5(3-z) = z + 1
Simplify the parenthesis
-15 + 5z = z + 1
Add 15 on both sides
5z = z + 16
Subtract z on both sides
4z = 16
Divide 4 on both sides
z = 4

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