Question

desterminati solutia ecuatiei:
(x+1)+(x+2)+(x+3)+.......+(x+1000)=15050 
dau cel mai bun la care imi raspunde !!!!

Answer 1

1000x + (1000*1001):2 = 15050
1000x = 15050 -  500500
        x  =  -  485450 :1000
        x  =  -  485,450

Answer 2

 1+2+3+....+1000+ 1000x= 15050
$\frac{1000(1000+1)}{2} +1000x=15050$
500500+1000x=15050
1000x=-485450
x=-485,450

(atat da, verifica daca ai scris bine cerinta ca este un rezultat cam urat, dar asta e metoda de rezolvare)