90=7x-3

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Solution for 90=7x-3 equation: 



90=7x-3

We move all terms to the left:

90-(7x-3)=0

We get rid of parentheses

-7x+3+90=0

We add all the numbers together, and all the variables

-7x+93=0

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

-7x=-93

x=-93/-7

x=13+2/7

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