Respuesta :

Given:

[tex]\frac{7x}{3y}+\frac{12x}{9y}[/tex]

Sol:.

[tex]\begin{gathered} =\frac{7x}{3y}+\frac{12y}{9y} \\ =\frac{3(7x)+12y}{9y} \\ =\frac{21x+12y}{9y} \\ =\frac{33x}{9y} \\ =\frac{11x}{3y} \end{gathered}[/tex]

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