Odpowiedź :
Hej!
{2(x + 1) + y = 3
{3(x + 1) - 4y = -1
{2x + 2 + y = 3
{3x + 3 - 4y = -1
{2x + y = 3 - 2
{3x - 4y = -1 - 3
{2x + y = 1 / * 4
{3x - 4y = -4
{8x + 4y = 4
+ {3x - 4y = -4
---------------------
11x = 0 / : 11
x = 0
2 * 0 + y = 1
0 + y = 1
y = 1
Pozdrawiam! - Julka
2(x+1)+y=3
3(x+1)-4y=-1
2x+2+y=3 /*3
3x+3-4y=-1 /*(-2)
6x+6+3y=9
-6x-6+8y=2
11y=11 /:11
y=1
2(x+1)+1=3
2x+2+1=3
2x=3-3
2x=0
X=0
Pozdrowionka! ~Wika :3