Hej!
{-3x + 2y = -7 / * (-1)
{5x + 2y = 1
{3x - 2y = 7
+ {5x + 2y = 1
--------------------
8x = 8 / : 8
x = 1
5 * 1 + 2y = 1
5 + 2y = 1
2y = 1 - 5
2y = -4 / : 2
y = -2
Pozdrawiam! - Julka
