-9-f=9

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Solution for -9-f=9 equation:


Simplifying
-9 + -1f = 9

Solving
-9 + -1f = 9

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 + -1f = 9 + 9

Combine like terms: -9 + 9 = 0
0 + -1f = 9 + 9
-1f = 9 + 9

Combine like terms: 9 + 9 = 18
-1f = 18

Divide each side by '-1'.
f = -18

Simplifying
f = -18

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