9f-2f=20

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Solution for 9f-2f=20 equation:


9f-2f=20

We simplify the equation to the form, which is simple to understand 
9f-2f=20

We move all terms containing f to the left and all other terms to the right. 
+9f-2f=+20

We simplify left and right side of the equation. 
+7f=+20

We divide both sides of the equation by 7 to get f. 
f=2.8571428571429

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