x-(x*0.40)=81

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Solution for x-(x*0.40)=81 equation:


Simplifying
x + -1(x * 0.40) = 81

Reorder the terms for easier multiplication:
x + -1(0.40x) = 81

Remove parenthesis around (0.40x)
x + -1 * 0.40x = 81

Multiply -1 * 0.40
x + -0.4x = 81

Combine like terms: x + -0.4x = 0.6x
0.6x = 81

Solving
0.6x = 81

Solving for variable 'x'.

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

Divide each side by '0.6'.
x = 135

Simplifying
x = 135

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