f(-2)=2(-2-4)+5

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Solution for f(-2)=2(-2-4)+5 equation:


f (-2)=2 (-2-4)+5

We simplify the equation to the form, which is simple to understand 
f(-2)=2(-2-4)+5

Simplifying terms in parentheses
f*(-2)=2*(-6)+5

Reorder the terms in parentheses
+(-2f)=2*(-6)+5

Remove unnecessary parentheses
-2f=+2+*(-6+)+5

Reorder the terms in parentheses
-2f=+(-12)+5

Remove unnecessary parentheses
-2f=-12+5

We move all terms containing f to the left and all other terms to the right. 
-2f=-12+5

We simplify left and right side of the equation. 
-2f=-7

We divide both sides of the equation by -2 to get f. 
f=3.5

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