f(20)=12x+30

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Solution for f(20)=12x+30 equation: 


Simplifying
f(20) = 12x + 30

Reorder the terms for easier multiplication:
20f = 12x + 30

Reorder the terms:
20f = 30 + 12x

Solving
20f = 30 + 12x

Solving for variable 'f'.

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

Divide each side by '20'.
f = 1.5 + 0.6x

Simplifying
f = 1.5 + 0.6x

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