81=9x+3

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Solution for 81=9x+3 equation:


Simplifying
81 = 9x + 3

Reorder the terms:
81 = 3 + 9x

Solving
81 = 3 + 9x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: 3 + -81 = -78
-9x = -78

Divide each side by '-9'.
x = 8.666666667

Simplifying
x = 8.666666667

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