x-(x*.2)=80

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Solution for x-(x*.2)=80 equation: 


Simplifying
x + -1(x * 0.2) = 80

Reorder the terms for easier multiplication:
x + -1(0.2x) = 80

Remove parenthesis around (0.2x)
x + -1 * 0.2x = 80

Multiply -1 * 0.2
x + -0.2x = 80

Combine like terms: x + -0.2x = 0.8x
0.8x = 80

Solving
0.8x = 80

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 = 100

Simplifying
x = 100

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