f-21=17

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Solution for f-21=17 equation: 


Simplifying
f + -21 = 17

Reorder the terms:
-21 + f = 17

Solving
-21 + f = 17

Solving for variable 'f'.

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

Add '21' to each side of the equation.
-21 + 21 + f = 17 + 21

Combine like terms: -21 + 21 = 0
0 + f = 17 + 21
f = 17 + 21

Combine like terms: 17 + 21 = 38
f = 38

Simplifying
f = 38

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