Question

I need help asap on number nine. it would be much appreciated. only number 9​

Answer 1

18

Explanation:

they are vertical angles so they are equal

6y+40=10y-32

6y+40+32=10y-32+32

6y+72=10y

6y-6y+72=10y-6y

72=4y

72/4=4y/4

18=y