K kcn6996 New member Joined Sep 19, 2012 Messages 1 Sep 19, 2012 #1 What are all the ordered triples of real numbers (x,y,z) that satisfy the following system?(x+y)(x+y+z)=120 (y+z)(x+y+z)=96 (x+z)(x+y+z)=72
What are all the ordered triples of real numbers (x,y,z) that satisfy the following system?(x+y)(x+y+z)=120 (y+z)(x+y+z)=96 (x+z)(x+y+z)=72
J JeffM Elite Member Joined Sep 14, 2012 Messages 7,874 Sep 19, 2012 #2 kcn6996 said: What are all the ordered triples of real numbers (x,y,z) that satisfy the following system?(x+y)(x+y+z)=120 (y+z)(x+y+z)=96 (x+z)(x+y+z)=72 Click to expand... Hint: Let a = x + y + z.
kcn6996 said: What are all the ordered triples of real numbers (x,y,z) that satisfy the following system?(x+y)(x+y+z)=120 (y+z)(x+y+z)=96 (x+z)(x+y+z)=72 Click to expand... Hint: Let a = x + y + z.
