sederhanakan aljabar berikut a.7a-10a b.-4x+12x c.-15p+9p-18p

a.7a-10a = -3a

b.-4x+12x = 8x

c.-15p+9p-18p = -6p-18p = -24p

a] 7a - 10a = -3a

b] -4x + 12x = 8x

c] -15p + 9p - 18 p
= -6p - 18 p
= -24p