Respuesta :

The given expression is :

[tex]\begin{gathered} x+\frac{2}{7}y=12 \\ \text{Subtract }\frac{2}{7}y\text{ from both side} \\ x+\frac{2}{7}y-\frac{2}{7}y=12-\frac{2}{7}y \\ x=12-\frac{2}{7}y \end{gathered}[/tex]

Answer : x = 12 - 2/7y

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