(3x+2)+(7x+8)=90

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Solution for (3x+2)+(7x+8)=90 equation: 



(3x+2)+(7x+8)=90

We move all terms to the left:

(3x+2)+(7x+8)-(90)=0

We get rid of parentheses

3x+7x+2+8-90=0

We add all the numbers together, and all the variables

10x-80=0

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

10x=80

x=80/10

x=8

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