x-0.2x=72

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Solution for x-0.2x=72 equation: 


Simplifying
x + -0.2x = 72

Combine like terms: x + -0.2x = 0.8x
0.8x = 72

Solving
0.8x = 72

Solving for variable 'x'.

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

Divide each side by '0.8'.
x = 90

Simplifying
x = 90

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