Respuesta :

sqdancefan

Answer:

  y = 4

Step-by-step explanation:

Filling in the given value of x (7), the equation becomes ...

  3y +2(7) +y = 30

  4y = 16 . . . . . . . . . . subtract 14 and simplify

  y = 4 . . . . . . . . . divide by 4

The missing value of y is 4.

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