You can
put this solution on YOUR website! Solve. Round decimal answers to the nearest tenth.
6x+y-5z=65
3x-y-5z=40
2x-5y-4z=9
Please show work and break down so I can understand how to get the proper answer.
We'd be glad to, but there are many different ways to
solve a system of three equations and three unknowns.
Please re-post telling us which method you are required
to use.
1. Substitution
2. Elimination
3. Augmented matrix method (Gauss-Jordan)
4. AX=B matrix method using the inverse
5. Cramer's rule
Solution 
Edwin
