6+12=15+x

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Solution for 6+12=15+x equation:



6+12=15+x
We move all terms to the left:
6+12-(15+x)=0
We add all the numbers together, and all the variables
-(x+15)+6+12=0
We add all the numbers together, and all the variables
-(x+15)+18=0
We get rid of parentheses
-x-15+18=0
We add all the numbers together, and all the variables
-1x+3=0
We move all terms containing x to the left, all other terms to the right
-x=-3
x=-3/-1
x=+3

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