9+3y=-12

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Solution for 9+3y=-12 equation:


9+3y=-12

We simplify the equation to the form, which is simple to understand 
9+3y=-12

We move all terms containing y to the left and all other terms to the right. 
+3y=-12-9

We simplify left and right side of the equation. 
+3y=-21

We divide both sides of the equation by 3 to get y. 
y=-7

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