Răspunsuri

  • Utilizator Brainly
2014-10-22T13:23:13+03:00
A+b=103
a=5b-5

5b-5+b=103
6b-5=103
6b=108
b=18

a=5*18-5
a=85

5 3 5
2014-10-22T13:39:55+03:00
A+b=103
a=(b+5)x5
(b+5)x5+b=103
5b+25+b=103
6b=103-25
6b=78
b=13
a+13=103
a=103-13
a=90
7 5 7