Question

p+q=31 p-q=17 how to solve?​

Answer 1

Answer:

on adding

p+q+p-q=31+17

2p =48

p =24

substitute the value of p in p+q=31

q=31-24=7

Answer 2

Step-by-step explanation:

$p + q = 31 \\ p - q = 17 \\ - - - - - - - \\ 2p = 48 \\ p = \frac{48}{2} \\ \boxed{p = \underline{ \underline{24}}} \\ \\ p + q = 31 \\ 24 + q = 31 \\ q = 31 - 24 \\ \boxed{q = \underline{ \underline{7}}}\\ \\p+q=31\\24+7=31\\ \\p-q=17\\24-7=17$