Question

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

Answer 1

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

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

100x+5050=5750

100x=5750-5050

100x=700

x=700/100

x=7