" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2y + 3x = 0
y - x = 1 czyli y = x
2x + 3x = 0
5x = 0
x = 0
y = 0
b)
x + y = 4
2x - 3 = - 1
2x = - 1 + 3 = 2
x = 2/2 = 1
x + y = 4
1 + y = 4
y = 4 - 1 = 3
x = 1
y = 3