11f-30=91

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Solution for 11f-30=91 equation: 


Simplifying
11f + -30 = 91

Reorder the terms:
-30 + 11f = 91

Solving
-30 + 11f = 91

Solving for variable 'f'.

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

Add '30' to each side of the equation.
-30 + 30 + 11f = 91 + 30

Combine like terms: -30 + 30 = 0
0 + 11f = 91 + 30
11f = 91 + 30

Combine like terms: 91 + 30 = 121
11f = 121

Divide each side by '11'.
f = 11

Simplifying
f = 11

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