" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
2x+5y = -4 ---> kalikan 3 ---> 6x+15y = -12 pers.2 kemudian dikurangi pers.1 didapat -23y = 46
y = -2
3x-4y = 17
3x-4.(-2) = 17
3x = 9
x = 3
4x-3y = (4.3) - (3 x -2)
= 12 + 6
= 18