-8x-40=-4(5x+7)

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Solution for -8x-40=-4(5x+7) equation: 



-8x-40=-4(5x+7)

We move all terms to the left:

-8x-40-(-4(5x+7))=0



We calculate terms in parentheses: -(-4(5x+7)), so:

-4(5x+7)

We multiply parentheses

-20x-28

Back to the equation:

-(-20x-28)



We get rid of parentheses

-8x+20x+28-40=0

We add all the numbers together, and all the variables

12x-12=0

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

12x=12

x=12/12

x=1

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