66=9f+-6

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Solution for 66=9f+-6 equation:


Simplifying
66 = 9f + -6

Reorder the terms:
66 = -6 + 9f

Solving
66 = -6 + 9f

Solving for variable 'f'.

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

Add '-9f' to each side of the equation.
66 + -9f = -6 + 9f + -9f

Combine like terms: 9f + -9f = 0
66 + -9f = -6 + 0
66 + -9f = -6

Add '-66' to each side of the equation.
66 + -66 + -9f = -6 + -66

Combine like terms: 66 + -66 = 0
0 + -9f = -6 + -66
-9f = -6 + -66

Combine like terms: -6 + -66 = -72
-9f = -72

Divide each side by '-9'.
f = 8

Simplifying
f = 8

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