.8f=-20+4f

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Solution for .8f=-20+4f equation:


.8f=-20+4f

We simplify the equation to the form, which is simple to understand 
.8f=-20+4f

We move all terms containing f to the left and all other terms to the right. 
 + 0.8f-4f=-20

We simplify left and right side of the equation. 
-3.2f=-20

We divide both sides of the equation by -3.2 to get f. 
f=6.25

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