6 (3x+2y) + (8x+y) dan (3p+2q) + (7q+3p)

6(3x+2y) + ( 8x+y) -(3p+2p)+(7p+3p)
= 18x+12y+48x+6y-18p+12p+42p+18p
= 18x-48x+12y+6y-18p+12p+42p+18p
= 30x-18y-6p+62p
= 12x-56p
maaf kalo salah , soalnya aku masih kelas 7 SMP