Question

the length and the width of a rectangle are pcm and qcm respectively. what is the perimeter of the rectangle if p_q= 7 and p_3q=11

Answer 1

p_q=7
p_3q=11
by solving equation
-2p=-4
p=-4/-2
p=2
substituting the value of p
2-q=7
q=2-7
q=-5