9-12=81x

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Solution for 9-12=81x equation:


Simplifying
9 + -12 = 81x

Combine like terms: 9 + -12 = -3
-3 = 81x

Solving
-3 = 81x

Solving for variable 'x'.

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

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

Combine like terms: 81x + -81x = 0
-3 + -81x = 0

Add '3' to each side of the equation.
-3 + 3 + -81x = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -81x = 0 + 3
-81x = 0 + 3

Combine like terms: 0 + 3 = 3
-81x = 3

Divide each side by '-81'.
x = -0.03703703704

Simplifying
x = -0.03703703704

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