Answer:
The answer is 10y + 48.
Step-by-step explanation:
First you have to get rid of brackets by expanding :
[tex]y + 3 + 9(y + 5) \\ = y + 3 + 9y + 45[/tex]
Next you have to collect like-terms :
[tex]y + 3 + 9y + 45 \\ = 10y + 48[/tex]
10y+48
