Simplifying
fx = 5x + -45
Reorder the terms:
fx = -45 + 5x
Solving
fx = -45 + 5x
Solving for variable 'f'.
Move all terms containing f to the left, all other terms to the right.
Divide each side by 'x'.
f = -45x-1 + 5
Simplifying
f = -45x-1 + 5
Reorder the terms:
f = 5 + -45x-1
