Question

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

Answer 1

Given equation is

`5u+27+4u=9`

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.