f(-2)=-4(-2)+1

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Solution for f(-2)=-4(-2)+1 equation:


f(-2)=-4(-2)+1

We simplify the equation to the form, which is simple to understand 
f(-2)=-4(-2)+1

Reorder the terms in parentheses
+(-2f)=-4*(-2)+1

Remove unnecessary parentheses
-2f=-4+*(-2+)+1

Reorder the terms in parentheses
-2f=+(+8)+1

Remove unnecessary parentheses
-2f=+8+1

We move all terms containing f to the left and all other terms to the right. 
-2f=+8+1

We simplify left and right side of the equation. 
-2f=+9

We divide both sides of the equation by -2 to get f. 
f=-4.5

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