Respuesta :

calculista

Answer:

[tex]y=18[/tex]

Step-by-step explanation:

we have

[tex]\frac{1}{3}(y-9)=3[/tex]

Multiply by [tex]3[/tex] both sides

[tex]3*(\frac{1}{3}(y-9))=3*3[/tex]

[tex](y-9)=9[/tex]

Adds [tex]9[/tex] both sides

[tex](y-9)+9=9+9[/tex]

[tex]y=18[/tex]

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