(x+15)=(5x+7)=90

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Solution for (x+15)=(5x+7)=90 equation: 



(x+15)=(5x+7)=90

We move all terms to the left:

(x+15)-((5x+7))=0

We get rid of parentheses

x-((5x+7))+15=0



We calculate terms in parentheses: -((5x+7)), so:

(5x+7)

We get rid of parentheses

5x+7

Back to the equation:

-(5x+7)



We get rid of parentheses

x-5x-7+15=0

We add all the numbers together, and all the variables

-4x+8=0

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

-4x=-8

x=-8/-4

x=+2

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