Odpowiedzi

2010-01-06T16:06:03+01:00
2x+y=14
8x+1/2y=35

2x=-y+14//2
8x+1/2y=35

x=-0,5+7
8x+1/2y=35

x=-0,5+7
8(-0,5+7)+1/2y=35

x=-0,5+7
-4+56+1/2y=35

x=-0,5+7
52+1/2y=35

x=-0,5+7
1/2y=35-52

x=-0,5+7
1/2y=-17//1/2

x=-0,5+7
y=-34

x=6,5
y=-34