3y-9=-12x

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


Simplifying
3y + -9 = -12x

Reorder the terms:
-9 + 3y = -12x

Solving
-9 + 3y = -12x

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 = 9 + -12x

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

Divide each side by '3'.
y = 3 + -4x

Simplifying
y = 3 + -4x

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