Question

(x+1) + (x+2) + (x+3) +....+ (x+100) = 5750

Answer 1

\(\Leftrightarrow100x+5050=5750\)

hay x=7

Answer 2

(x+1) + (x+2) + (x+3) +....+ (x+100) = 5750

x + 1 + x + 2 + x + 3 +...+ x + 100 = 5750

(x + x + x +...+ x) + (1 + 2 + 3 +...+ 100) = 5750

100x + 5050 = 5750

100x = 5750 - 5050

100x = 700

x = 700 : 100

x = 7