-81=27y

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Solution for -81=27y equation:


Simplifying
-81 = 27y

Solving
-81 = 27y

Solving for variable 'y'.

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

Add '-27y' to each side of the equation.
-81 + -27y = 27y + -27y

Combine like terms: 27y + -27y = 0
-81 + -27y = 0

Add '81' to each side of the equation.
-81 + 81 + -27y = 0 + 81

Combine like terms: -81 + 81 = 0
0 + -27y = 0 + 81
-27y = 0 + 81

Combine like terms: 0 + 81 = 81
-27y = 81

Divide each side by '-27'.
y = -3

Simplifying
y = -3

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