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f(-4)=-4(-4)-3/2
We simplify the equation to the form, which is simple to understand
f(-4)=-4(-4)-3/2
Reorder the terms in parentheses
+(-4f)=-4*(-4)-1.5
Remove unnecessary parentheses
-4f=-4+*(-4+)-1.5
Reorder the terms in parentheses
-4f=+(+16)-1.5
Remove unnecessary parentheses
-4f=+16-1.5
We move all terms containing f to the left and all other terms to the right.
-4f=+16-1.5
We simplify left and right side of the equation.
-4f=+14.5
We divide both sides of the equation by -4 to get f.
f=-3.625
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