7f-2f=20

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Solution for 7f-2f=20 equation: 


Simplifying
7f + -2f = 20

Combine like terms: 7f + -2f = 5f
5f = 20

Solving
5f = 20

Solving for variable 'f'.

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

Divide each side by '5'.
f = 4

Simplifying
f = 4

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