-2y+(-y)=18

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Solution for -2y+(-y)=18 equation: 


Simplifying
-2y + (-1y) = 18

Combine like terms: -2y + (-1y) = -3y
-3y = 18

Solving
-3y = 18

Solving for variable 'y'.

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

Divide each side by '-3'.
y = -6

Simplifying
y = -6

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