f-65=21

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Solution for f-65=21 equation: 


Simplifying
f + -65 = 21

Reorder the terms:
-65 + f = 21

Solving
-65 + f = 21

Solving for variable 'f'.

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

Add '65' to each side of the equation.
-65 + 65 + f = 21 + 65

Combine like terms: -65 + 65 = 0
0 + f = 21 + 65
f = 21 + 65

Combine like terms: 21 + 65 = 86
f = 86

Simplifying
f = 86

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