9*9-3y=27

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Solution for 9*9-3y=27 equation: 


Simplifying
9 * 9 + -3y = 27

Multiply 9 * 9
81 + -3y = 27

Solving
81 + -3y = 27

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 = 27 + -81

Combine like terms: 81 + -81 = 0
0 + -3y = 27 + -81
-3y = 27 + -81

Combine like terms: 27 + -81 = -54
-3y = -54

Divide each side by '-3'.
y = 18

Simplifying
y = 18

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