F(3)=3*9-7

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Solution for F(3)=3*9-7 equation: 


Simplifying
F(3) = 3 * 9 + -7

Reorder the terms for easier multiplication:
3F = 3 * 9 + -7

Multiply 3 * 9
3F = 27 + -7

Combine like terms: 27 + -7 = 20
3F = 20

Solving
3F = 20

Solving for variable 'F'.

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

Divide each side by '3'.
F = 6.666666667

Simplifying
F = 6.666666667

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