jika x= 2 1/4, y= 3/2 dan z= 7/12 maka x-4 /2z = pakai caraya

x - 4 /2z
= 2 1/4 - 4/2 ( 7/12 )
= 9/4 - 7/6
= 27/12 - 14/12
= 13/12
= 1 1/12 (campuran)

Mapel Matematika
Bab Aljabar

x = 2 1/4 = 9/4

(x - 4) / (2z)
= (9/4 - 4) / 2(7/12)
=( -7/4) / (7/6)
= (-7/4) x (6/7)
= -6/4
= -3/2
= -1 1/2