Respuesta :

[tex]\frac{1}{2}y+3.2y=20[/tex][tex]3.7y=20[/tex]

3.7 is multiplying on the left, then it will divide on the right

[tex]\begin{gathered} y=\frac{20}{3.7} \\ y\approx5.4 \end{gathered}[/tex]

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