23-f=77

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Solution for 23-f=77 equation: 


Simplifying
23 + -1f = 77

Solving
23 + -1f = 77

Solving for variable 'f'.

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

Add '-23' to each side of the equation.
23 + -23 + -1f = 77 + -23

Combine like terms: 23 + -23 = 0
0 + -1f = 77 + -23
-1f = 77 + -23

Combine like terms: 77 + -23 = 54
-1f = 54

Divide each side by '-1'.
f = -54

Simplifying
f = -54

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