x+120=x+.2x

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Solution for x+120=x+.2x equation:


Simplifying
x + 120 = x + 0.2x

Reorder the terms:
120 + x = x + 0.2x

Combine like terms: x + 0.2x = 1.2x
120 + x = 1.2x

Solving
120 + x = 1.2x

Solving for variable 'x'.

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

Add '-1.2x' to each side of the equation.
120 + x + -1.2x = 1.2x + -1.2x

Combine like terms: x + -1.2x = -0.2x
120 + -0.2x = 1.2x + -1.2x

Combine like terms: 1.2x + -1.2x = 0.0
120 + -0.2x = 0.0

Add '-120' to each side of the equation.
120 + -120 + -0.2x = 0.0 + -120

Combine like terms: 120 + -120 = 0
0 + -0.2x = 0.0 + -120
-0.2x = 0.0 + -120

Combine like terms: 0.0 + -120 = -120
-0.2x = -120

Divide each side by '-0.2'.
x = 600

Simplifying
x = 600

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