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

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Solution for -3=6(x-7)+7x equation: 



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

We move all terms to the left:

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



We calculate terms in parentheses: -(6(x-7)+7x), so:

6(x-7)+7x

We add all the numbers together, and all the variables

7x+6(x-7)

We multiply parentheses

7x+6x-42

We add all the numbers together, and all the variables

13x-42

Back to the equation:

-(13x-42)



We get rid of parentheses

-13x+42-3=0

We add all the numbers together, and all the variables

-13x+39=0

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

-13x=-39

x=-39/-13

x=+3

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