f(-8)=1/2(-8)-5

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Solution for f(-8)=1/2(-8)-5 equation: 



f(-8)=1/2(-8)-5

We move all terms to the left:

f(-8)-(1/2(-8)-5)=0

We multiply parentheses

-8f-(1/2(-8)-5)=0

We multiply all the terms by the denominator


-8f*2(-8)-5)-(1=0

We add all the numbers together, and all the variables

-8f*2(-8)=0

Wy multiply elements

-16f^2(-=0

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