7f-3f-f=15

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Solution for 7f-3f-f=15 equation: 


Simplifying
7f + -3f + -1f = 15

Combine like terms: 7f + -3f = 4f
4f + -1f = 15

Combine like terms: 4f + -1f = 3f
3f = 15

Solving
3f = 15

Solving for variable 'f'.

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

Divide each side by '3'.
f = 5

Simplifying
f = 5

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