50=f(0.8)

Solution for 50=f(0.8) equation:

Simplifying
50 = f(0.8)

Reorder the terms for easier multiplication:
50 = 0.8f

Solving
50 = 0.8f

Solving for variable 'f'.

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

Add '-0.8f' to each side of the equation.
50 + -0.8f = 0.8f + -0.8f

Combine like terms: 0.8f + -0.8f = 0.0
50 + -0.8f = 0.0

Add '-50' to each side of the equation.
50 + -50 + -0.8f = 0.0 + -50

Combine like terms: 50 + -50 = 0
0 + -0.8f = 0.0 + -50
-0.8f = 0.0 + -50

Combine like terms: 0.0 + -50 = -50
-0.8f = -50

Divide each side by '-0.8'.
f = 62.5

Simplifying
f = 62.5