4p+2f=21

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Solution for 4p+2f=21 equation: 


Simplifying
4p + 2f = 21

Reorder the terms:
2f + 4p = 21

Solving
2f + 4p = 21

Solving for variable 'f'.

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

Add '-4p' to each side of the equation.
2f + 4p + -4p = 21 + -4p

Combine like terms: 4p + -4p = 0
2f + 0 = 21 + -4p
2f = 21 + -4p

Divide each side by '2'.
f = 10.5 + -2p

Simplifying
f = 10.5 + -2p

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