81-2x=8-9x

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Solution for 81-2x=8-9x equation:


Simplifying
81 + -2x = 8 + -9x

Solving
81 + -2x = 8 + -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 + -2x + 9x = 8 + -9x + 9x

Combine like terms: -2x + 9x = 7x
81 + 7x = 8 + -9x + 9x

Combine like terms: -9x + 9x = 0
81 + 7x = 8 + 0
81 + 7x = 8

Add '-81' to each side of the equation.
81 + -81 + 7x = 8 + -81

Combine like terms: 81 + -81 = 0
0 + 7x = 8 + -81
7x = 8 + -81

Combine like terms: 8 + -81 = -73
7x = -73

Divide each side by '7'.
x = -10.42857143

Simplifying
x = -10.42857143

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