v1=v1 s1*1/v3+x+s2*1/v3=t3 v3=12 s2*1/v1+x+3*s2*1/v1/2=t2 s*1/v1=t1 t1=t2 t3-t2=2*x s1+s2=s

s1 s2
— + x + — = t3
v3 v3

v3 = 12

/3*s2
|—-|
s2 v1 /
— + x + —— = t2
v1 2

s
— = t1
v1

t1 = t2

t3 – t2 = 2*x

s1 + s2 = s

12*x/(-12 + v1)

$$t_{11} = frac{12 x}{v_{1} – 12}$$
=
$$frac{12 x}{v_{1} – 12}$$
=

12*x/(-12 + v1)

$$v_{31} = 12$$
=
$$12$$
=

12

$$s_{11} = frac{2 v_{1} x left(v_{1} + 6right)}{5 v_{1} – 60}$$
=
$$frac{2 v_{1} x left(v_{1} + 6right)}{5 v_{1} – 60}$$
=

0.4*v1*x*(6 + v1)/(-12 + v1)

$$s_{21} = – frac{2 v_{1} x left(v_{1} – 24right)}{5 v_{1} – 60}$$
=
$$- frac{2 v_{1} x left(v_{1} – 24right)}{5 v_{1} – 60}$$
=

-2*v1*x*(-24 + v1)/(-60 + 5*v1)

$$t_{31} = frac{2 x left(v_{1} – 6right)}{v_{1} – 12}$$
=
$$frac{2 x left(v_{1} – 6right)}{v_{1} – 12}$$
=

2*x*(-6 + v1)/(-12 + v1)

$$s_{1} = frac{12 v_{1} x}{v_{1} – 12}$$
=
$$frac{12 v_{1} x}{v_{1} – 12}$$
=

12*v1*x/(-12 + v1)