81=36+6x

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Solution for 81=36+6x equation:


Simplifying
81 = 36 + 6x

Solving
81 = 36 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
81 + -6x = 36 + 6x + -6x

Combine like terms: 6x + -6x = 0
81 + -6x = 36 + 0
81 + -6x = 36

Add '-81' to each side of the equation.
81 + -81 + -6x = 36 + -81

Combine like terms: 81 + -81 = 0
0 + -6x = 36 + -81
-6x = 36 + -81

Combine like terms: 36 + -81 = -45
-6x = -45

Divide each side by '-6'.
x = 7.5

Simplifying
x = 7.5

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