0.40-0.20(50+x)=0.04(50)

Solution for 0.40-0.20(50+x)=0.04(50) equation:

Simplifying
0.40 + -0.20(50 + x) = 0.04(50)
0.40 + (50 * -0.20 + x * -0.20) = 0.04(50)
0.40 + (-10 + -0.20x) = 0.04(50)

Combine like terms: 0.40 + -10 = -9.6
-9.6 + -0.20x = 0.04(50)

Multiply 0.04 * 50
-9.6 + -0.20x = 2

Solving
-9.6 + -0.20x = 2

Solving for variable 'x'.

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

Add '9.6' to each side of the equation.
-9.6 + 9.6 + -0.20x = 2 + 9.6

Combine like terms: -9.6 + 9.6 = 0.0
0.0 + -0.20x = 2 + 9.6
-0.20x = 2 + 9.6

Combine like terms: 2 + 9.6 = 11.6
-0.20x = 11.6

Divide each side by '-0.20'.
x = -58

Simplifying
x = -58