1.Rezolvati in multimea numerelor rationale pozitive ecuatiile:
a)x/4-1/5=3/10
b)4/7+x/14=5/4
c)17/8+5x/6=5 intregi si 1/4
d) 5x/18- 1 intreg si 2/3=7/12
e) 2 intregi si 1/4-4x/5=11/12