f(8)=3x+9

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Solution for f(8)=3x+9 equation: 


Simplifying
f(8) = 3x + 9

Reorder the terms for easier multiplication:
8f = 3x + 9

Reorder the terms:
8f = 9 + 3x

Solving
8f = 9 + 3x

Solving for variable 'f'.

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

Divide each side by '8'.
f = 1.125 + 0.375x

Simplifying
f = 1.125 + 0.375x

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