Answer:
x= 20, MN = 36
Step-by-step explanation:
[tex]\frac{12}{5} =\frac{2x-4}{15}[/tex]
[tex]\frac{(12)(15)}{5} =2x-4[/tex]
[tex]36=2x-4[/tex]
[tex]36+4=2x[/tex]
[tex]40=2x[/tex]
[tex]\frac{40}{2} =x[/tex]
[tex]x=20[/tex]
[tex]MN=2x-4=2(20)-4=40-4=36[/tex]
Hope this helps
