120=x-x*0.2

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Solution for 120=x-x*0.2 equation:


Simplifying
120 = x + -1x * 0.2

Reorder the terms for easier multiplication:
120 = x + -1 * 0.2x

Multiply -1 * 0.2
120 = x + -0.2x

Combine like terms: x + -0.2x = 0.8x
120 = 0.8x

Solving
120 = 0.8x

Solving for variable 'x'.

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

Add '-0.8x' to each side of the equation.
120 + -0.8x = 0.8x + -0.8x

Combine like terms: 0.8x + -0.8x = 0.0
120 + -0.8x = 0.0

Add '-120' to each side of the equation.
120 + -120 + -0.8x = 0.0 + -120

Combine like terms: 120 + -120 = 0
0 + -0.8x = 0.0 + -120
-0.8x = 0.0 + -120

Combine like terms: 0.0 + -120 = -120
-0.8x = -120

Divide each side by '-0.8'.
x = 150

Simplifying
x = 150

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