81-9x=18

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Solution for 81-9x=18 equation: 


Simplifying
81 + -9x = 18

Solving
81 + -9x = 18

Solving for variable 'x'.

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

Add '-81' to each side of the equation.
81 + -81 + -9x = 18 + -81

Combine like terms: 81 + -81 = 0
0 + -9x = 18 + -81
-9x = 18 + -81

Combine like terms: 18 + -81 = -63
-9x = -63

Divide each side by '-9'.
x = 7

Simplifying
x = 7

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