" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4x + 2y = 5 . 1
2x + 3y = 7,5 . 2
4x + 2y = 5
4x + 6y = 15
-------------------- -
0 - 4y = -10
y = 2,5
4x + 2y = 5
4x + 2(2,5) = 5
4x + 5 = 5
4x = 5 -5
4x = 0
x = 0 : 4
x = 0