139-10x=2x+55

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Solution for 139-10x=2x+55 equation: 



139-10x=2x+55

We move all terms to the left:

139-10x-(2x+55)=0

We get rid of parentheses

-10x-2x-55+139=0

We add all the numbers together, and all the variables

-12x+84=0

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

-12x=-84

x=-84/-12

x=+7

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