b) 3 intregi 1/8 =3*8+1/8=25/8
1 intreg 1/10= 1*10+1/10=11/10
>> (25/8-x)- 11/10=0 (aduci la acelasi numitor=40)
>>25*5 - 40x -11*4=0
>>125-40x=44
>>-40x=44-125
>>40x=81
x=81/40
c)x-2/3-5/6=1/2 (aduci la acelasi numitor comun=6)
>>6x-4-5=3
>>6x-9=3
>>6x=12
>>x=2
