How do you solve the following system using substitution?: #[(2x,+, y, -, z,=,3), (-x, + ,2y, +, 4z,=,-3), (x,-,2y,-,3z,=,4)]#
1 Answer
Mar 16, 2018
See explanation below
Explanation:
From third equation we can express
Lets substitute in second equation
Using this value (and expresion for
The only solution is