Răspunsuri

2014-09-02T16:26:06+03:00
Y= 3* (-2/5) +1

y= -6/5 +1

y= (-6+5)/5

y= -1/5
2 5 2
2014-09-02T16:27:15+03:00
x = -2/5 si y= 3x+1  => y= -2/5*3 +1= -6/5+1=1/5
(Am efectuat la ultima operatie aducere la acelasi numitor)