2f-21=11

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Solution for 2f-21=11 equation: 


Simplifying
2f + -21 = 11

Reorder the terms:
-21 + 2f = 11

Solving
-21 + 2f = 11

Solving for variable 'f'.

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

Add '21' to each side of the equation.
-21 + 21 + 2f = 11 + 21

Combine like terms: -21 + 21 = 0
0 + 2f = 11 + 21
2f = 11 + 21

Combine like terms: 11 + 21 = 32
2f = 32

Divide each side by '2'.
f = 16

Simplifying
f = 16

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