.25(128)+.5(128)+x=128

Solution for .25(128)+.5(128)+x=128 equation:

Simplifying
0.25(128) + 0.5(128) + x = 128

Multiply 0.25 * 128
32 + 0.5(128) + x = 128

Multiply 0.5 * 128
32 + 64 + x = 128

Combine like terms: 32 + 64 = 96
96 + x = 128

Solving
96 + x = 128

Solving for variable 'x'.

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

Add '-96' to each side of the equation.
96 + -96 + x = 128 + -96

Combine like terms: 96 + -96 = 0
0 + x = 128 + -96
x = 128 + -96

Combine like terms: 128 + -96 = 32
x = 32

Simplifying
x = 32