7f-20=3f-20

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Solution for 7f-20=3f-20 equation:


7f-20=3f-20

We simplify the equation to the form, which is simple to understand 
7f-20=3f-20

We move all terms containing f to the left and all other terms to the right. 
+7f-3f=-20+20

We simplify left and right side of the equation. 
+4f=0

We divide both sides of the equation by 4 to get f. 
f=0

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