(7x+6)-(6x-7)=90

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Solution for (7x+6)-(6x-7)=90 equation: 



(7x+6)-(6x-7)=90

We move all terms to the left:

(7x+6)-(6x-7)-(90)=0

We get rid of parentheses

7x-6x+6+7-90=0

We add all the numbers together, and all the variables

x-77=0

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

x=77

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