-75=-7x-3(x+5)

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Solution for -75=-7x-3(x+5) equation: 



-75=-7x-3(x+5)

We move all terms to the left:

-75-(-7x-3(x+5))=0



We calculate terms in parentheses: -(-7x-3(x+5)), so:

-7x-3(x+5)

We multiply parentheses

-7x-3x-15

We add all the numbers together, and all the variables

-10x-15

Back to the equation:

-(-10x-15)



We get rid of parentheses

10x+15-75=0

We add all the numbers together, and all the variables

10x-60=0

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

10x=60

x=60/10

x=6

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