Sederhanakanlah bentuk aljabar berikut! A.15a+7b-12a-9b B.6x-12y+2x-5y C.-8m-13n+11m-3n D.4p+2q+p-q

A). 15a+7b-12a-9b
= 15a-12a+7b-9b
= 3a-2b

B). 6x-12y+2x-5y
= 6x+2x-2y-5y
= 8x-7y

C). -8m-13n+11m-3n
= -8m+11m-13n-3n
= 3m-16n

D).4p+2q+p-q
= 4p+p+2q-q
= 5p+q