How do you solve the system #x+y-z=2#, #3x+5y-2z=-5#, and #5x+4y-7z=-7#?
1 Answer
Sep 5, 2016
The soln. :
Explanation:
Let us solve the system of eqns. using Elimination Method.
From the First eqn.,
Using this
Adding these last eqns.,
Then from,
Finally,
These roots satisfy the given eqns.
The soln. :