-7y+2y-4y=81

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Solution for -7y+2y-4y=81 equation: 


Simplifying
-7y + 2y + -4y = 81

Combine like terms: -7y + 2y = -5y
-5y + -4y = 81

Combine like terms: -5y + -4y = -9y
-9y = 81

Solving
-9y = 81

Solving for variable 'y'.

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

Divide each side by '-9'.
y = -9

Simplifying
y = -9

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