7-(10x+2)=30x+85

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Solution for 7-(10x+2)=30x+85 equation: 



7-(10x+2)=30x+85

We move all terms to the left:

7-(10x+2)-(30x+85)=0

We get rid of parentheses

-10x-30x-2-85+7=0

We add all the numbers together, and all the variables

-40x-80=0

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

-40x=80

x=80/-40

x=-2

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