f(-2)=-2+4

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Solution for f(-2)=-2+4 equation:


f (-2) =-2+4

We simplify the equation to the form, which is simple to understand 
f(-2)=-2+4

Reorder the terms in parentheses
+(-2f)=-2+4

Remove unnecessary parentheses
-2f=-2+4

We move all terms containing f to the left and all other terms to the right. 
-2f=-2+4

We simplify left and right side of the equation. 
-2f=+2

We divide both sides of the equation by -2 to get f. 
f=-1

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