Question

plz help me......

kindly don't spam.....​

Answer 1

Step-by-step explanation:

i. 21y5 =9

2+1+y+5=9

8+y =9

8+1=9

y=1

ii. 31z5=9

3+1+z+5=9

9+z=9

9+0=9

z=0

mark me as brainliest

Answer 2

hope it helps you buddy ✌️✌️✌️✌️