-9+3y=-12

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Solution for -9+3y=-12 equation: 


Simplifying
-9 + 3y = -12

Solving
-9 + 3y = -12

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 3y = -12 + 9

Combine like terms: -9 + 9 = 0
0 + 3y = -12 + 9
3y = -12 + 9

Combine like terms: -12 + 9 = -3
3y = -3

Divide each side by '3'.
y = -1

Simplifying
y = -1

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