" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x+2y=6 --> 2x+4y=12
2x+3y=13
2x+4y=12
-------------- -
-y=1
y=-1
x+2y=6
x+2(-1)=6
x-2=6
x=6+2=8
{(8,-1)}