-66=-5x-7(-4-7)

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Solution for -66=-5x-7(-4-7) equation: 



-66=-5x-7(-4-7)

We move all terms to the left:

-66-(-5x-7(-4-7))=0

We add all the numbers together, and all the variables

-(-5x-7(-11))-66=0



We calculate terms in parentheses: -(-5x-7(-11)), so:

-5x-7(-11)

We add all the numbers together, and all the variables

-5x+77

Back to the equation:

-(-5x+77)



We get rid of parentheses

5x-77-66=0

We add all the numbers together, and all the variables

5x-143=0

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

5x=143

x=143/5

x=28+3/5

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