How to solve 5u+27+4u=9

Nahum asked Mar 3, 2023

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Nahum asked Mar 3, 2023

by Nahum

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13 votes

Given equation is

Now, we keep all the terms with u in the left hand side and the terms without u in the right hand side. It follows

$\begin{gathered} 5u+4u=9-27 \\ 9u=-18 \\ u=-2 \end{gathered}$

Hence, the solution is u=-2.

Patrick VD answered Mar 7, 2023

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