-77=3(5x-7)+2(8x+3)

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Solution for -77=3(5x-7)+2(8x+3) equation: 



-77=3(5x-7)+2(8x+3)

We move all terms to the left:

-77-(3(5x-7)+2(8x+3))=0



We calculate terms in parentheses: -(3(5x-7)+2(8x+3)), so:

3(5x-7)+2(8x+3)

We multiply parentheses

15x+16x-21+6

We add all the numbers together, and all the variables

31x-15

Back to the equation:

-(31x-15)



We get rid of parentheses

-31x+15-77=0

We add all the numbers together, and all the variables

-31x-62=0

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

-31x=62

x=62/-31

x=-2

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