F(2)=3x+7

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Solution for F(2)=3x+7 equation: 


Simplifying
F(2) = 3x + 7

Reorder the terms for easier multiplication:
2F = 3x + 7

Reorder the terms:
2F = 7 + 3x

Solving
2F = 7 + 3x

Solving for variable 'F'.

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

Divide each side by '2'.
F = 3.5 + 1.5x

Simplifying
F = 3.5 + 1.5x

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