" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x-y=6
--------- +
3x=21
x=7
7+y=15
y=15-7
y=8
2x-y=6
x = 15 - y
2(15-y) - y = 6
x = 15 - y
30 - 2y - y = 6
x = 15 - y
30 - 3y = 6
x = 15 - y
30 - 6 = 3y
x = 15 - y
24 = 3y
x = 15 - 8 = 7
y = 8