f(-2)=4(-2)-2

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


f(-2)=4(-2)-2

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

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

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

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

Remove unnecessary parentheses
-2f=-8-2

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

We simplify left and right side of the equation. 
-2f=-10

We divide both sides of the equation by -2 to get f. 
f=5

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