-y=3x-9

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Solution for -y=3x-9 equation: 


Simplifying
-1y = 3x + -9

Reorder the terms:
-1y = -9 + 3x

Solving
-1y = -9 + 3x

Solving for variable 'y'.

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

Divide each side by '-1'.
y = 9 + -3x

Simplifying
y = 9 + -3x

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