90=2x-3x+7

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Solution for 90=2x-3x+7 equation: 



90=2x-3x+7

We move all terms to the left:

90-(2x-3x+7)=0

We add all the numbers together, and all the variables

-(-1x+7)+90=0

We get rid of parentheses

1x-7+90=0

We add all the numbers together, and all the variables

x+83=0

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

x=-83

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