" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x+z=5 x 1
jadi, 2x+4y=-8
2x+z=5
dikurang : 4y-z=-13
2) 4y-z=-13 x 3
y-3z=-6 x 1
jadi, 12y-3z=-39
y-3z=-6
di kurang : 11y=-33
y=-3
3) x+2y=-4
x+2(-3)=-4
x=-4+6
x=2
4) 2x+z=5
2(2)+z=5
z=1