Question 938520

if {{{M}}} is the mid point of {{{LN}}}	.
and if {{{MN = x + 1}}} and {{{LN = 3x + 1}}},  

{{{LN=2*MN}}}

{{{3x + 1=2*(x + 1)}}}	

{{{3x + 1=2x + 2}}}

{{{3x-2x= 2-1}}}

{{{x= 1}}}

so, {{{LN = 3*1 + 1}}}=>{{{LN = 4}}}

and {{{MN = 1 + 1}}}=> {{{MN = 2}}}