Răspunsuri

2014-11-10T19:30:14+02:00
A+b=-307
a:b=-40 rest 5⇒   ⇒a=-40b+5
inlocuim in I relatie
-40b+5+b=-307
-39b=-307-5
-39b=-312          (-1)
b=312/39
b=8
a=-307-b
a=-307-8
a=-315
-315+8=-307
Imi rezolvi si exercitiul urmator?
Rezolvati in Q ecuatia: x-5/25+x-9/21=x-25/5+x-21/9
x+x-x-x=5/25-5/25+9/21-21/9
0=9/21-21/9 nu are sol.daca l-ai scris bine