| Original Message (ID '233251') By Bill Simpson: |
| In[1]:= a=x z+2x y+2y z;
v=x y z;
a2=a/.x->2z;
v2=v/.x->2z;
NSolve[{a2==60,v2==40,x==2z},{x,y,z},Reals]
Out[5]= {{x-> -12.5764,y->0.505796,z-> -6.28822},
{x->7.46083,y->1.43719,z->3.73042},
{x->5.1156,y->3.05701,z->2.5578}} |
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