" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
3x + 5y = 7..........(2)
eleminasi x
x - 2y = 6 kalikan 3
3x + 5y = 7. kalikan 1
3x - 6y = 18
3x + 5y = 7
========== -
- 11y = 11
y = 11/-11 = -1
subst nilai y = -1 ke pers
x - 2y = 6
x - 2(-1) = 6
x + 2 = 6
x = 6-2
x = 4
jadi (4,-1)