" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x-y/2+y/3=-3 [*6
{3x+3y-2x=24
3x-3y+2y=-18
{x+3y=24-----------------> -3+3y=24
3x-y=-18 [*3 3y=27 [/3
{x+3y=24 y=9
9x-3y=-54
10x=-30 [/10
x=-3