-12-x=45

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Solution for -12-x=45 equation: 



-12-x=45

We move all terms to the left:

-12-x-(45)=0

We add all the numbers together, and all the variables

-1x-57=0

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

-x=57

x=57/-1

x=-57

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