" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
buat pemisalan dek
jika
pers itu menjadi
(1) 3a-4b+6c =1 x 2 6a-8b+12c = 2
(2) 9a+8b-12c=3 x 1 9a+8b-12c=3
---------------------- +
15a = 5
a = .. (1-2)
(3) 9a-4b+12c=4
(2) 9a+8b-12c= 3
-------------------- +
18a+4b = 7 ....... (2-3)
nilai a subtitusikan ke (2-3)
(2-3) 18a+4b=7
18 () +4b = 7
6+4b = 7
4b = 1
b =
subtitusikan nilai a dan b ke pers (1)
3() -4 ()+6c = 1
1-1+6c = 1
6c = 1
c =
a= --> =
x = 3
b = -->
y = 4
c = -->
z = 6