9f=2f-20

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Solution for 9f=2f-20 equation:


Simplifying
9f = 2f + -20

Reorder the terms:
9f = -20 + 2f

Solving
9f = -20 + 2f

Solving for variable 'f'.

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

Add '-2f' to each side of the equation.
9f + -2f = -20 + 2f + -2f

Combine like terms: 9f + -2f = 7f
7f = -20 + 2f + -2f

Combine like terms: 2f + -2f = 0
7f = -20 + 0
7f = -20

Divide each side by '7'.
f = -2.857142857

Simplifying
f = -2.857142857

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