Bantu plis nomor 5 penting bgt!!
1. Kotak paling atas:
(4p - q) - (x) = (3p + 2q)
(4p - q) - (3p + 2q) = x
4p - q - 3p - 2q = x
x =3p - 3q
2. Kotak baris ke 2
(2p + 3q) + (4p - q)
= 2p + 4p + 3q - q
= 6p + 2q
3. Kotak baris 3
= 6p + 2q + 3p + 2q
= 9p + 4q
[answer.2.content]
