-102=3(8-7x)

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Solution for -102=3(8-7x) equation: 



-102=3(8-7x)

We move all terms to the left:

-102-(3(8-7x))=0

We add all the numbers together, and all the variables

-(3(-7x+8))-102=0



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

3(-7x+8)

We multiply parentheses

-21x+24

Back to the equation:

-(-21x+24)



We get rid of parentheses

21x-24-102=0

We add all the numbers together, and all the variables

21x-126=0

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

21x=126

x=126/21

x=6

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