F(3)-9=5n+4n

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Solution for F(3)-9=5n+4n equation:


Simplifying
F(3) + -9 = 5n + 4n

Reorder the terms for easier multiplication:
3F + -9 = 5n + 4n

Reorder the terms:
-9 + 3F = 5n + 4n

Combine like terms: 5n + 4n = 9n
-9 + 3F = 9n

Solving
-9 + 3F = 9n

Solving for variable 'F'.

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

Add '9' to each side of the equation.
-9 + 9 + 3F = 9 + 9n

Combine like terms: -9 + 9 = 0
0 + 3F = 9 + 9n
3F = 9 + 9n

Divide each side by '3'.
F = 3 + 3n

Simplifying
F = 3 + 3n

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