9x=81-9x

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Solution for 9x=81-9x equation: 


Simplifying
9x = 81 + -9x

Solving
9x = 81 + -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.
9x + 9x = 81 + -9x + 9x

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

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

Divide each side by '18'.
x = 4.5

Simplifying
x = 4.5

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