Question

x+(x+1)+(x+2)+(x+3)+...+2x=360

Answer 1

x+(x+1)+(x+2)+(x+3)+2x=360
x+x+1+x+2+x+3+2x=360
x+x+x+x+2x=360-1-2-3
6x= 354
x=354/6
x=59