Question

if p+q = 4, q+r = -2, r+p = 3, then p+q+r=?

Answer 1

Answer:

5

Step-by-step explanation:

$p + q = 4 \\ q + r = - 2 \\ and \: r + p = 3 \\ then \: p + q + r = 4 + ( - 2) + 3 \\ \: = 7 - 2 = 5$