Question

how to do these types of sums​

Answer 1

Answer:

in given sumx=8 &y=1for frist sum for second sum p=8,q=1and r=6

Step-by-step explanation:

to do this type of sums we have to use trial and error method

Answer 2

Answer:

7

Step-by-step explanation:

$y = 7 \\ q = 8$