-30-5x=7(3-7x)-7x

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Solution for -30-5x=7(3-7x)-7x equation: 



-30-5x=7(3-7x)-7x

We move all terms to the left:

-30-5x-(7(3-7x)-7x)=0

We add all the numbers together, and all the variables

-5x-(7(-7x+3)-7x)-30=0



We calculate terms in parentheses: -(7(-7x+3)-7x), so:

7(-7x+3)-7x

We add all the numbers together, and all the variables

-7x+7(-7x+3)

We multiply parentheses

-7x-49x+21

We add all the numbers together, and all the variables

-56x+21

Back to the equation:

-(-56x+21)



We get rid of parentheses

-5x+56x-21-30=0

We add all the numbers together, and all the variables

51x-51=0

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

51x=51

x=51/51

x=1

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