-(x+7)=3(2x+1)

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Solution for -(x+7)=3(2x+1) equation: 



-(x+7)=3(2x+1)

We move all terms to the left:

-(x+7)-(3(2x+1))=0

We get rid of parentheses

-x-(3(2x+1))-7=0



We calculate terms in parentheses: -(3(2x+1)), so:

3(2x+1)

We multiply parentheses

6x+3

Back to the equation:

-(6x+3)



We add all the numbers together, and all the variables

-1x-(6x+3)-7=0

We get rid of parentheses

-1x-6x-3-7=0

We add all the numbers together, and all the variables

-7x-10=0

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

-7x=10

x=10/-7

x=-1+3/7

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