-9-(-12)=3y-y

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Solution for -9-(-12)=3y-y equation:


-9-(-12)=3y-y

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

Remove unnecessary parentheses
-9+12=3y-y

We move all terms containing y to the left and all other terms to the right.
-3y+1y=+9-12

We simplify left and right side of the equation.
-2y=-3

We divide both sides of the equation by -2 to get y.
y=1.5

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