90=7x+27

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Solution for 90=7x+27 equation: 



90=7x+27

We move all terms to the left:

90-(7x+27)=0

We get rid of parentheses

-7x-27+90=0

We add all the numbers together, and all the variables

-7x+63=0

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

-7x=-63

x=-63/-7

x=+9

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