" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1/5x -2/5 = 1/4 + 1/4y
1/5x - 1/4y = 1/4 + 2/5
1/5x - 1/4y = 13/20 ... (3)
* pers. 2 => 26x - 3y + 4 = 0
26x - 3y = -4 ... (4)
* pers. 3 dan 4 => 1/5x - 1/4y = 13/20 (di kali dgn 3)
26x - 3y = -4 (di kali dgn 1/4)
3/5x - 3/4y = 39/20
26/4x - 3/4y = -1 -
-118/20x = 59/20
x = -59/118