129=3(-7x+8)

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Solution for 129=3(-7x+8) equation: 



129=3(-7x+8)

We move all terms to the left:

129-(3(-7x+8))=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+129=0

We add all the numbers together, and all the variables

21x+105=0

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

21x=-105

x=-105/21

x=-5

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