f(12)=7x+9

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Solution for f(12)=7x+9 equation: 


Simplifying
f(12) = 7x + 9

Reorder the terms for easier multiplication:
12f = 7x + 9

Reorder the terms:
12f = 9 + 7x

Solving
12f = 9 + 7x

Solving for variable 'f'.

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

Divide each side by '12'.
f = 0.75 + 0.5833333333x

Simplifying
f = 0.75 + 0.5833333333x

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