139+12x=99+17x

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Solution for 139+12x=99+17x equation: 



139+12x=99+17x

We move all terms to the left:

139+12x-(99+17x)=0

We add all the numbers together, and all the variables

12x-(17x+99)+139=0

We get rid of parentheses

12x-17x-99+139=0

We add all the numbers together, and all the variables

-5x+40=0

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

-5x=-40

x=-40/-5

x=+8

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