16-f=21

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Solution for 16-f=21 equation:


Simplifying
16 + -1f = 21

Solving
16 + -1f = 21

Solving for variable 'f'.

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

Add '-16' to each side of the equation.
16 + -16 + -1f = 21 + -16

Combine like terms: 16 + -16 = 0
0 + -1f = 21 + -16
-1f = 21 + -16

Combine like terms: 21 + -16 = 5
-1f = 5

Divide each side by '-1'.
f = -5

Simplifying
f = -5

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