90=15x-2+7x+4

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Solution for 90=15x-2+7x+4 equation: 



90=15x-2+7x+4

We move all terms to the left:

90-(15x-2+7x+4)=0

We add all the numbers together, and all the variables

-(22x+2)+90=0

We get rid of parentheses

-22x-2+90=0

We add all the numbers together, and all the variables

-22x+88=0

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

-22x=-88

x=-88/-22

x=+4

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