f(90)=2(90)+20

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Solution for f(90)=2(90)+20 equation: 


Simplifying
f(90) = 2(90) + 20

Reorder the terms for easier multiplication:
90f = 2(90) + 20

Multiply 2 * 90
90f = 180 + 20

Combine like terms: 180 + 20 = 200
90f = 200

Solving
90f = 200

Solving for variable 'f'.

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

Divide each side by '90'.
f = 2.222222222

Simplifying
f = 2.222222222

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