Answer :

[tex]5y+38=180 \\ \\ 5y=180-38 \\ \\ 5y=142 \\ \\ \boxed{y=\frac{142}{5}=28.4}[/tex]
Simply subtract 38 from both sides,

5y + 38 - 38 = 180 - 38

5y = 142

Divide both sides by 5, to get y

y = 142 / 5  Answer

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