12-3x=15-4x

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Solution for 12-3x=15-4x equation:



12-3x=15-4x
We move all terms to the left:
12-3x-(15-4x)=0
We add all the numbers together, and all the variables
-3x-(-4x+15)+12=0
We get rid of parentheses
-3x+4x-15+12=0
We add all the numbers together, and all the variables
x-3=0
We move all terms containing x to the left, all other terms to the right
x=3

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