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I have tried this quite a few times and seems like I can’t get the correct answer and how to do it!

I have tried this quite a few times and seems like I can’t get the correct answer-example-1
User Adammtlx
by
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1 Answer

6 votes

Solution:

Given that;


f(x)=3+(2)/(x+7)

Where f(x)=0. Thus;


\begin{gathered} 0=3+(2)/(x+7) \\ \\ \text{ Multiply through by }(x+7) \\ \\ 0=3(x+7)+2 \\ \\ 3x+21=-2 \\ \\ 3x=-23 \\ \\ x=-(23)/(3) \end{gathered}

ANSWER:


x=-(23)/(3)

User Manuel Escrig
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