-3-x=-4x-12

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Solution for -3-x=-4x-12 equation:



-3-x=-4x-12
We move all terms to the left:
-3-x-(-4x-12)=0
We add all the numbers together, and all the variables
-1x-(-4x-12)-3=0
We get rid of parentheses
-1x+4x+12-3=0
We add all the numbers together, and all the variables
3x+9=0
We move all terms containing x to the left, all other terms to the right
3x=-9
x=-9/3
x=-3

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