-x-12=-4x-30

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Solution for -x-12=-4x-30 equation: 



-x-12=-4x-30

We move all terms to the left:

-x-12-(-4x-30)=0

We add all the numbers together, and all the variables

-1x-(-4x-30)-12=0

We get rid of parentheses

-1x+4x+30-12=0

We add all the numbers together, and all the variables

3x+18=0

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

3x=-18

x=-18/3

x=-6

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