Question

7p+8q=15 Using substitution method find p if q= 5+2p/7​

Answer 1

Answer:

Hi friends

Step-by-step explanation:

7p+8q=15

q=5+2p/7

7q=5+2p

5=2p-7q

-2* 7p+8q=15

7* 2p-7q=5

14p-16q=-30

14p-49q=35

-65q=5

q=-13

-13=5+2p/7

-91=5+2p

-86=2p

-43=p

hope this helps you