-9y-3y=15

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Solution for -9y-3y=15 equation: 


Simplifying
-9y + -3y = 15

Combine like terms: -9y + -3y = -12y
-12y = 15

Solving
-12y = 15

Solving for variable 'y'.

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

Divide each side by '-12'.
y = -1.25

Simplifying
y = -1.25

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