x=18-2x

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Solution for x=18-2x equation: 


Simplifying
x = 18 + -2x

Solving
x = 18 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
x + 2x = 18 + -2x + 2x

Combine like terms: x + 2x = 3x
3x = 18 + -2x + 2x

Combine like terms: -2x + 2x = 0
3x = 18 + 0
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

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