Respuesta :

[tex]\frac{1}{3y}+10=\frac{1}{7y}[/tex]

Collect like term

[tex]\frac{1}{3y}-\frac{1}{7y}=-10[/tex][tex]\frac{7-3}{21y}=-10[/tex][tex]\frac{4}{21y}=-10[/tex]

Multiply both-side by 21y

[tex]4=-210y[/tex]

Divide both-side by -210

[tex]\frac{4}{-210}=y[/tex][tex]y=-\frac{2}{105}[/tex]