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f (-2)=5.6-2+3.8
We simplify the equation to the form, which is simple to understand
f(-2)=5.6-2+3.8
Reorder the terms in parentheses
+(-2f)=5.6-2+3.8
Remove unnecessary parentheses
-2f=+5.6-2+3.8
We move all terms containing f to the left and all other terms to the right.
-2f=+5.6-2+3.8
We simplify left and right side of the equation.
-2f=+7.4
We divide both sides of the equation by -2 to get f.
f=-3.7
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