511=-7(10x-13)

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Solution for 511=-7(10x-13) equation: 



511=-7(10x-13)

We move all terms to the left:

511-(-7(10x-13))=0



We calculate terms in parentheses: -(-7(10x-13)), so:

-7(10x-13)

We multiply parentheses

-70x+91

Back to the equation:

-(-70x+91)



We get rid of parentheses

70x-91+511=0

We add all the numbers together, and all the variables

70x+420=0

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

70x=-420

x=-420/70

x=-6

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