x+2x+3x+.....+2013x=2013.2017
=>x.(1+2+3+.....+2013)=2013.2017
=>\(x.\frac{2013.\left(2013+1\right)}{2}=2013.2017\Rightarrow x.2027091=4060221\Rightarrow x=\frac{2017}{1007}\)
x+2x+3x+...+2013x=2013.2017
=>x(1+2+3+...+2013)=2013.2017
=>X\(\frac{2013\left(2013+1\right)}{2}=2027091=4060221\)
=>X.2027091=4060221
X=4060221:2027091=2017/1007