12+2+7=y

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Solution for 12+2+7=y equation:


12+2+7=y

We simplify the equation to the form, which is simple to understand 
12+2+7=y

We move all terms containing y to the left and all other terms to the right. 
-1y=-12-2-7

We simplify left and right side of the equation. 
-1y=-21

We divide both sides of the equation by -01 to get y. 
y=21

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