12-3y=9

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Solution for 12-3y=9 equation:


12-3y=9

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

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

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

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

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