Question

if P=[-8]+[-3]+[+7]
Q=[-9]+[+3]+[+3]+[+2]+[-9]
R=[-6]+[-8]+[+3]+[+2]+[-9]
then P+Q+R+27=
Please answer it is urgent

Answer 1

Answer:

Answer is (–5).

Step-by-step explanation:

For proof see the given picture.