-x-4x+7=12

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Solution for -x-4x+7=12 equation: 



-x-4x+7=12

We move all terms to the left:

-x-4x+7-(12)=0

We add all the numbers together, and all the variables

-5x-5=0

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

-5x=5

x=5/-5

x=-1

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