x+120=0.20x

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Solution for x+120=0.20x equation:


Simplifying
x + 120 = 0.20x

Reorder the terms:
120 + x = 0.20x

Solving
120 + x = 0.20x

Solving for variable 'x'.

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

Add '-0.20x' to each side of the equation.
120 + x + -0.20x = 0.20x + -0.20x

Combine like terms: x + -0.20x = 0.8x
120 + 0.8x = 0.20x + -0.20x

Combine like terms: 0.20x + -0.20x = 0.00
120 + 0.8x = 0.00

Add '-120' to each side of the equation.
120 + -120 + 0.8x = 0.00 + -120

Combine like terms: 120 + -120 = 0
0 + 0.8x = 0.00 + -120
0.8x = 0.00 + -120

Combine like terms: 0.00 + -120 = -120
0.8x = -120

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

Simplifying
x = -150

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