9f-10=80

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Solution for 9f-10=80 equation: 


Simplifying
9f + -10 = 80

Reorder the terms:
-10 + 9f = 80

Solving
-10 + 9f = 80

Solving for variable 'f'.

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

Add '10' to each side of the equation.
-10 + 10 + 9f = 80 + 10

Combine like terms: -10 + 10 = 0
0 + 9f = 80 + 10
9f = 80 + 10

Combine like terms: 80 + 10 = 90
9f = 90

Divide each side by '9'.
f = 10

Simplifying
f = 10

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