3-(2x+7)=30

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Solution for 3-(2x+7)=30 equation: 



3-(2x+7)=30

We move all terms to the left:

3-(2x+7)-(30)=0

We add all the numbers together, and all the variables

-(2x+7)-27=0

We get rid of parentheses

-2x-7-27=0

We add all the numbers together, and all the variables

-2x-34=0

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

-2x=34

x=34/-2

x=-17

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