F(7)=2x-8

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Solution for F(7)=2x-8 equation: 


Simplifying
F(7) = 2x + -8

Reorder the terms for easier multiplication:
7F = 2x + -8

Reorder the terms:
7F = -8 + 2x

Solving
7F = -8 + 2x

Solving for variable 'F'.

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

Divide each side by '7'.
F = -1.142857143 + 0.2857142857x

Simplifying
F = -1.142857143 + 0.2857142857x

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