(7x+12)+(15x-8)=90

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Solution for (7x+12)+(15x-8)=90 equation: 



(7x+12)+(15x-8)=90

We move all terms to the left:

(7x+12)+(15x-8)-(90)=0

We get rid of parentheses

7x+15x+12-8-90=0

We add all the numbers together, and all the variables

22x-86=0

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

22x=86

x=86/22

x=3+10/11

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