Question

Daca la dublul unui nr. adaugam 1/5, obtinem -4/3. Determinati nr.

Answer 1

2x+1/5=-4/3
2x=-4/3-1/5
2x=-23/15
x=-(23/15)/2
x=-23/30

Answer 2

2x +1/5 = - 4/3
2x = -1/5 -4/3 = -(3+20):15 = -23/15
x= - 23/30
Succes in continuare!