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

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


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

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

Simplifying terms in parentheses
f*(-2)=-2+2*(-3)

Reorder the terms in parentheses
+(-2f)=-2+2*(-3)

Remove unnecessary parentheses
-2f=-2+2+*(-3+)

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

Remove unnecessary parentheses
-2f=-2-6

We move all terms containing f to the left and all other terms to the right. 
-2f=-2-6

We simplify left and right side of the equation. 
-2f=-8

We divide both sides of the equation by -2 to get f. 
f=4

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