81-3y=9

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Solution for 81-3y=9 equation:


Simplifying
81 + -3y = 9

Solving
81 + -3y = 9

Solving for variable 'y'.

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

Add '-81' to each side of the equation.
81 + -81 + -3y = 9 + -81

Combine like terms: 81 + -81 = 0
0 + -3y = 9 + -81
-3y = 9 + -81

Combine like terms: 9 + -81 = -72
-3y = -72

Divide each side by '-3'.
y = 24

Simplifying
y = 24

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