Odpowiedzi

2009-10-01T20:27:04+02:00
2(x-1) x+2
_____ = ____
3 5

5*2(x-1)=3(x+2)
10x -10 = 3x +6
10x-3x=6+10
7x=16 /:7
x=16/7
x=2 i 2/7
1 5 1