5f=9f-18

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Solution for 5f=9f-18 equation: 


Simplifying
5f = 9f + -18

Reorder the terms:
5f = -18 + 9f

Solving
5f = -18 + 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.
5f + -9f = -18 + 9f + -9f

Combine like terms: 5f + -9f = -4f
-4f = -18 + 9f + -9f

Combine like terms: 9f + -9f = 0
-4f = -18 + 0
-4f = -18

Divide each side by '-4'.
f = 4.5

Simplifying
f = 4.5

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