9y-12y=-16-20

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Solution for 9y-12y=-16-20 equation: 


Simplifying
9y + -12y = -16 + -20

Combine like terms: 9y + -12y = -3y
-3y = -16 + -20

Combine like terms: -16 + -20 = -36
-3y = -36

Solving
-3y = -36

Solving for variable 'y'.

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

Divide each side by '-3'.
y = 12

Simplifying
y = 12

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