90+7c=42

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Solution for 90+7c=42 equation: 



90+7c=42

We move all terms to the left:

90+7c-(42)=0

We add all the numbers together, and all the variables

7c+48=0

We move all terms containing c to the left, all other terms to the right

7c=-48

c=-48/7

c=-6+6/7

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