3.75-(0.125*20)=x

Solution for 3.75-(0.125*20)=x equation:

Simplifying
3.75 + -1(0.125 * 20) = x

Multiply 0.125 * 20
3.75 + -1(2.5) = x

Multiply -1 * 2.5
3.75 + -2.5 = x

Combine like terms: 3.75 + -2.5 = 1.25
1.25 = x

Solving
1.25 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
1.25 + -1x = x + -1x

Combine like terms: x + -1x = 0
1.25 + -1x = 0

Add '-1.25' to each side of the equation.
1.25 + -1.25 + -1x = 0 + -1.25

Combine like terms: 1.25 + -1.25 = 0.00
0.00 + -1x = 0 + -1.25
-1x = 0 + -1.25

Combine like terms: 0 + -1.25 = -1.25
-1x = -1.25

Divide each side by '-1'.
x = 1.25

Simplifying
x = 1.25