Respuesta :

we know that

If V is the midpoint of SU

then

SV=VU

substitute the given values

2x+18=8x-6

solve for x

8x-2x=18+6

6x=24

x=4

Find SV

SV=2x+18

SV=2(4)+18

SV=26 units

so

VU=26 units

and

SU=2SV

SU=2(26)

SU=52 units