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(78-x)+36+(3x-10)= 180 What is x
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(78-x)+36+(3x-10)= 180
What is x

User Outis
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2 Answers

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78+-x+36+3x+-10=180

2x+78+36+-10=180

2x+104=180

2x=76

x=38

User Nathan Herring
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(78-x)+36+(3x-10)= 180\\\\78-x+36+3x-10= 180\\\\3x-x+78+36-10=180\\\\2x+104=180\qquad|-104\\\\2x+104-104=180-104\\\\2x=76\qquad|:2\\\\\boxed{x=38}
User Johan Kronberg
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