yx+fx-20=45

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Solution for yx+fx-20=45 equation:


Simplifying
yx + fx + -20 = 45

Reorder the terms:
-20 + fx + xy = 45

Solving
-20 + fx + xy = 45

Solving for variable 'f'.

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

Add '20' to each side of the equation.
-20 + fx + 20 + xy = 45 + 20

Reorder the terms:
-20 + 20 + fx + xy = 45 + 20

Combine like terms: -20 + 20 = 0
0 + fx + xy = 45 + 20
fx + xy = 45 + 20

Combine like terms: 45 + 20 = 65
fx + xy = 65

Add '-1xy' to each side of the equation.
fx + xy + -1xy = 65 + -1xy

Combine like terms: xy + -1xy = 0
fx + 0 = 65 + -1xy
fx = 65 + -1xy

Divide each side by 'x'.
f = 65x-1 + -1y

Simplifying
f = 65x-1 + -1y

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