Question

0,(6) + x = 1,5
(Zero virgula perioada 6 , plus x(necunoscuta) egal cu unu virgula 5)

Answer 1

6/9 + x=15/10
aduci la factor comun si scoti x-ul;
 60+90x=135
90x=75
x=90/75
x=5/6

Answer 2

0,(6)=6/9=2/3
1,5=1 intreg si 5/10=3/2
2/3+x=3/2
x=3/2-2/3
x=5/6