-3x-12=-(x+3)-1

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Solution for -3x-12=-(x+3)-1 equation:



-3x-12=-(x+3)-1
We move all terms to the left:
-3x-12-(-(x+3)-1)=0
We calculate terms in parentheses: -(-(x+3)-1), so:
-(x+3)-1
We get rid of parentheses
-x-3-1
We add all the numbers together, and all the variables
-1x-4
Back to the equation:
-(-1x-4)
We get rid of parentheses
-3x+1x+4-12=0
We add all the numbers together, and all the variables
-2x-8=0
We move all terms containing x to the left, all other terms to the right
-2x=8
x=8/-2
x=-4

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