Odpowiedzi

2010-01-31T12:10:00+01:00
29x- 66y= 21
-33x+45 =34 |-45

-33x= -11 | :-33
29x- 66y= 21

x= 1/3
29 razy 1/3 -66y = 21

x= 1/3
9i2/3 - 66y= 21 | -9 i 2/3

-66y= 11i 1/3 | :-66
x= 1/3

x= 1/3
y= 5i 28/198



2010-01-31T12:11:46+01:00
29x-66y=21/*33
-33x+45=34/*(-29)

957x-2178y=693
957x-1305=-986

957x=693+2178y
957x-1305=-986

957x=693+2178y
693+2178y-1305=-986

957x=693+2178y
2178y=-986-693+1305

957x=693+2178y
2178y=-374/:2178

957x=693+2178y
y=-0,17

957x=693-374
y=-0,17

957x=319/:957
y=-0,17

x=0,33
y=-0,17
2010-01-31T12:20:07+01:00
29x-66y=21
-33x+45=34

29x=21+66y
-33x+45=34

x=21/29 +66y/29
-33(21/29+66y/29)+45=34

x=21/29 +66y/29
-693/29+2178y/29=32-45


x=21/29 +66y/29
2178y/29=32-45+693/29 /*29


x=21/29 +66y/29
2178y=928-1305+693


x=21/29 +66y/29
2178y=316


x=21/29 +66y/29
y=316/2178=158/1089

x=21/29+66*158/1089/29 /*29
y=158/1089

x=22869/1089/29+10428/1089/29
y=158/1089

x=51738/1089/29
y=158/1089

x=47,5/29
y=158/1089