9-2f=-11

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Solution for 9-2f=-11 equation: 


Simplifying
9 + -2f = -11

Solving
9 + -2f = -11

Solving for variable 'f'.

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

Add '-9' to each side of the equation.
9 + -9 + -2f = -11 + -9

Combine like terms: 9 + -9 = 0
0 + -2f = -11 + -9
-2f = -11 + -9

Combine like terms: -11 + -9 = -20
-2f = -20

Divide each side by '-2'.
f = 10

Simplifying
f = 10

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