-278=-122+12x

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Solution for -278=-122+12x equation: 



-278=-122+12x

We move all terms to the left:

-278-(-122+12x)=0

We add all the numbers together, and all the variables

-(12x-122)-278=0

We get rid of parentheses

-12x+122-278=0

We add all the numbers together, and all the variables

-12x-156=0

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

-12x=156

x=156/-12

x=-13

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