" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4x-5y=-34|x3
12x+16y=-40
12x-15y=-102
___________-
31y=62
y=62/31
y=2
3x+4y=-10
3x+4(2)=-10
3x+8=-10
3x=-10-8
3x=-18
x=-18/3
x=-6