-y-9=-12

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Solution for -y-9=-12 equation:


-y-9=-12

We simplify the equation to the form, which is simple to understand 
-y-9=-12

We move all terms containing y to the left and all other terms to the right. 
-1y=-12+9

We simplify left and right side of the equation. 
-1y=-3

We divide both sides of the equation by -1 to get y. 
y=3

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