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Help. How to solve9d + n = 5r

User Gissela
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1 Answer

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We want to rewrite the following equation


9d+n=5r

With d as a function of the other terms. Let's start by subtracting n from both sides.


\begin{gathered} 9d+n-n=5r-n \\ 9d=5r-n \end{gathered}

Now, let's divide both sides by 9.


\begin{gathered} (9d)/(9)=(5r-n)/(9) \\ \\ d=(5r-n)/(9) \end{gathered}

And this is our final answer.

User Marschro
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