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f(-2)=3/8-0.5-3
We simplify the equation to the form, which is simple to understand
f(-2)=3/8-0.5-3
Simplifying:
f*(-2)=0.375-0.5-3
Reorder the terms in parentheses
+(-2f)=0.375-0.5-3
Remove unnecessary parentheses
-2f=0.375-0.5-3
We move all terms containing f to the left and all other terms to the right.
-2f=0.375-0.5-3
We simplify left and right side of the equation.
-2f=-3.125
We divide both sides of the equation by -2 to get f.
f=1.5625
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