(7x-7)+(5x+3)=90

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Solution for (7x-7)+(5x+3)=90 equation: 



(7x-7)+(5x+3)=90

We move all terms to the left:

(7x-7)+(5x+3)-(90)=0

We get rid of parentheses

7x+5x-7+3-90=0

We add all the numbers together, and all the variables

12x-94=0

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

12x=94

x=94/12

x=7+5/6

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