19-f=31

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Solution for 19-f=31 equation:


Simplifying
19 + -1f = 31

Solving
19 + -1f = 31

Solving for variable 'f'.

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

Add '-19' to each side of the equation.
19 + -19 + -1f = 31 + -19

Combine like terms: 19 + -19 = 0
0 + -1f = 31 + -19
-1f = 31 + -19

Combine like terms: 31 + -19 = 12
-1f = 12

Divide each side by '-1'.
f = -12

Simplifying
f = -12

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