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1/2f+3/5=0
We simplify the equation to the form, which is simple to understand
1/2f+3/5=0
We move all terms containing f to the left and all other terms to the right.
+2f=0-0.6
We simplify left and right side of the equation.
+2f=-0.6
We divide both sides of the equation by 2 to get f.
f=-0.3
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