.20X+X=120

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Solution for .20X+X=120 equation: 


Simplifying
0.20X + X = 120

Combine like terms: 0.20X + X = 1.2X
1.2X = 120

Solving
1.2X = 120

Solving for variable 'X'.

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

Divide each side by '1.2'.
X = 100

Simplifying
X = 100

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