12+3=12+y

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Solution for 12+3=12+y equation:



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

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