M1a1=m1g-T
m2a2=m2g-2T
a1+2*a2=0
********
a1=-2*a2
-2m1*a2=m1g-T
m2a2=m2g-2T
********
a1=-2*a2
-4m1*a2=2m1g-2T
m2a2=m2g-2T
*********
a1=-2*a2
-4m1*a2=2m1g-2T
m2a2+4m1*a2=m2g-2T-2m1g+2T
*********
a1=-2*a2
-4m1*a2=2m1g-2T
m2a2+4m1*a2=m2g-2m1g
*********
a1=-2*a2
-4m1*a2=2m1g-2T
a2=g(m2-2m1)/(m2+4m1)
********
a1=-2*g(m2-2m1)/(m2+4m1)
T=2m1*a2+m1g
a2=g(m2-2m1)/(m2+4m1)
********
a1=-2*g(m2-2m1)/(m2+4m1)
T=2m1*g(m2-2m1)/(m2+4m1)+m1g=m1g*(2(m2-2m1)/(m2+4m1)+1)=
=3m1m2g/(m2+4m1)
a2=g(m2-2m1)/(m2+4m1)