Question

8/5y + 62 = 2(0.8y + 3.1)

Answer 1

Let's solve the equation:

$\begin{gathered} \frac{8}{5}y+62=2(0.8y+3.1) \\ 1.6y+62=1.6y+6.2 \\ 1.6y-1.6y=6.2-62 \\ 0=-55.8 \end{gathered}$

since the last line is a contradiction we conclude that the equation does not have a solution.