f(3)=4x+2

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Solution for f(3)=4x+2 equation: 


Simplifying
f(3) = 4x + 2

Reorder the terms for easier multiplication:
3f = 4x + 2

Reorder the terms:
3f = 2 + 4x

Solving
3f = 2 + 4x

Solving for variable 'f'.

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

Divide each side by '3'.
f = 0.6666666667 + 1.333333333x

Simplifying
f = 0.6666666667 + 1.333333333x

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