-2y-y=9

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Solution for -2y-y=9 equation: 


Simplifying
-2y + -1y = 9

Combine like terms: -2y + -1y = -3y
-3y = 9

Solving
-3y = 9

Solving for variable 'y'.

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

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

Simplifying
y = -3

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