139=7x+3(4x-17)

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Solution for 139=7x+3(4x-17) equation: 



139=7x+3(4x-17)

We move all terms to the left:

139-(7x+3(4x-17))=0



We calculate terms in parentheses: -(7x+3(4x-17)), so:

7x+3(4x-17)

We multiply parentheses

7x+12x-51

We add all the numbers together, and all the variables

19x-51

Back to the equation:

-(19x-51)



We get rid of parentheses

-19x+51+139=0

We add all the numbers together, and all the variables

-19x+190=0

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

-19x=-190

x=-190/-19

x=+10

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