129=3(5x+8)

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Solution for 129=3(5x+8) equation: 



129=3(5x+8)

We move all terms to the left:

129-(3(5x+8))=0



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

3(5x+8)

We multiply parentheses

15x+24

Back to the equation:

-(15x+24)



We get rid of parentheses

-15x-24+129=0

We add all the numbers together, and all the variables

-15x+105=0

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

-15x=-105

x=-105/-15

x=+7

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