Question

-0.15x+0.1y+0.2z=0
0.1x-0.3y+0.2z=0
0.05x+0.2y-0.4z=0
x+y+z=1

Solve x, y , z

Answer 1

If the decimal numbers are changed to fractions, then:\[\left\{x=\frac{16}{33},y=\frac{10}{33},z=\frac{7}{33}\right\}=\{0.485,0.303,0.212\} \]

Answer 2

how did u solve it? can you telll me?

Answer 3

I used Mathematica 8.04. Refer to the attachment.

Answer 4

thank u

Answer 5

For your information:

Answer 6

Thank you for the medal.