72=.25(.2(.25x+x))

Solution for 72=.25(.2(.25x+x)) equation:

Simplifying
72 = 0.25(0.2(0.25x + x))

Combine like terms: 0.25x + x = 1.25x
72 = 0.25(0.2(1.25x))

Remove parenthesis around (1.25x)
72 = 0.25(0.2 * 1.25x)

Multiply 0.2 * 1.25
72 = 0.25(0.25x)

Remove parenthesis around (0.25x)
72 = 0.25 * 0.25x

Multiply 0.25 * 0.25
72 = 0.0625x

Solving
72 = 0.0625x

Solving for variable 'x'.

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

Add '-0.0625x' to each side of the equation.
72 + -0.0625x = 0.0625x + -0.0625x

Combine like terms: 0.0625x + -0.0625x = 0.0000
72 + -0.0625x = 0.0000

Add '-72' to each side of the equation.
72 + -72 + -0.0625x = 0.0000 + -72

Combine like terms: 72 + -72 = 0
0 + -0.0625x = 0.0000 + -72
-0.0625x = 0.0000 + -72

Combine like terms: 0.0000 + -72 = -72
-0.0625x = -72

Divide each side by '-0.0625'.
x = 1152

Simplifying
x = 1152