Question

ND

2p + 8 = 20-p
2p + 8 + p = 20-pp
3p + 8 = 20
EXPRES
KETE
p=
?
DONE

Answer 1

Explanation:

As you have done till

3p + 8 = 20

3p = 20 - 8

3p = 12

p = 12 / 3 = 4