fn+12=75-4n

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Solution for fn+12=75-4n equation:


Simplifying
fn + 12 = 75 + -4n

Reorder the terms:
12 + fn = 75 + -4n

Solving
12 + fn = 75 + -4n

Solving for variable 'f'.

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

Add '-12' to each side of the equation.
12 + -12 + fn = 75 + -12 + -4n

Combine like terms: 12 + -12 = 0
0 + fn = 75 + -12 + -4n
fn = 75 + -12 + -4n

Combine like terms: 75 + -12 = 63
fn = 63 + -4n

Divide each side by 'n'.
f = 63n-1 + -4

Simplifying
f = 63n-1 + -4

Reorder the terms:
f = -4 + 63n-1

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