Răspunsuri

2014-11-05T08:40:06+02:00
Cel mai inteligent răspuns!
2014-11-05T08:48:08+02:00
2x+15=23
2x=23-15
2x=8
x=8:2
x=4
x apartine mutimii: 0,1,2,3,4

9x+35=46
9x=46-35
9x=11
x=11:9
x=1,2
x apartine multimii:0,1

15x+9=234
15x=234-9
15x=225
x=225:15
x=15
x apartine multimii:0,1,2,3,4,.....15


cred ca asa este
1 5 1