f(-8)=-2(-8)-12

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Solution for f(-8)=-2(-8)-12 equation:


f(-8)=-2(-8)-12

We simplify the equation to the form, which is simple to understand 
f(-8)=-2(-8)-12

Reorder the terms in parentheses
+(-8f)=-2*(-8)-12

Remove unnecessary parentheses
-8f=-2+*(-8+)-12

Reorder the terms in parentheses
-8f=+(+16)-12

Remove unnecessary parentheses
-8f=+16-12

We move all terms containing f to the left and all other terms to the right. 
-8f=+16-12

We simplify left and right side of the equation. 
-8f=+4

We divide both sides of the equation by -8 to get f. 
f=-0.5

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