.9x=(x-18)

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Solution for .9x=(x-18) equation:


Simplifying
0.9x = (x + -18)

Reorder the terms:
0.9x = (-18 + x)

Remove parenthesis around (-18 + x)
0.9x = -18 + x

Solving
0.9x = -18 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
0.9x + -1x = -18 + x + -1x

Combine like terms: 0.9x + -1x = -0.1x
-0.1x = -18 + x + -1x

Combine like terms: x + -1x = 0
-0.1x = -18 + 0
-0.1x = -18

Divide each side by '-0.1'.
x = 180

Simplifying
x = 180

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