(2x+30)+(6x-12)=90

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Solution for (2x+30)+(6x-12)=90 equation: 



(2x+30)+(6x-12)=90

We move all terms to the left:

(2x+30)+(6x-12)-(90)=0

We get rid of parentheses

2x+6x+30-12-90=0

We add all the numbers together, and all the variables

8x-72=0

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

8x=72

x=72/8

x=9

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