52=x-(x*.28)

Solution for 52=x-(x*.28) equation:

Simplifying
52 = x + -1(x * 0.28)

Reorder the terms for easier multiplication:
52 = x + -1(0.28x)

Remove parenthesis around (0.28x)
52 = x + -1 * 0.28x

Multiply -1 * 0.28
52 = x + -0.28x

Combine like terms: x + -0.28x = 0.72x
52 = 0.72x

Solving
52 = 0.72x

Solving for variable 'x'.

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

Add '-0.72x' to each side of the equation.
52 + -0.72x = 0.72x + -0.72x

Combine like terms: 0.72x + -0.72x = 0.00
52 + -0.72x = 0.00

Add '-52' to each side of the equation.
52 + -52 + -0.72x = 0.00 + -52

Combine like terms: 52 + -52 = 0
0 + -0.72x = 0.00 + -52
-0.72x = 0.00 + -52

Combine like terms: 0.00 + -52 = -52
-0.72x = -52

Divide each side by '-0.72'.
x = 72.22222222

Simplifying
x = 72.22222222