Question

Hola, me podrian ayudar a resolver este problema de algebra?
(p+q+r)+(-2p-6q+3r)+(p+5q-8r)

Answer 1

(p+q+r)+(-2p-6q+3r)+(p+5q-8r)

p+q+r-2p-6q+3r+p+5q-8r

p+p-2p+q-6q+5q+r+3r-8r

2p-2p +6q-6q +4r-8r

-4r

Answer 2

p+q+r-2p-6q+3r+p+5q-8r
p-2p+p+q-6q+5q+r+3r-8r
-4r