73-f=81

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Solution for 73-f=81 equation:


Simplifying
73 + -1f = 81

Solving
73 + -1f = 81

Solving for variable 'f'.

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

Add '-73' to each side of the equation.
73 + -73 + -1f = 81 + -73

Combine like terms: 73 + -73 = 0
0 + -1f = 81 + -73
-1f = 81 + -73

Combine like terms: 81 + -73 = 8
-1f = 8

Divide each side by '-1'.
f = -8

Simplifying
f = -8

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