Do I have the correct augmented matrix and matrix coefficients? Am I allowed to just bring the -x3 accross like that to make it positive, and bring the 4 over to take its place to make it -4?
Do I have the correct augmented matrix and matrix coefficients? Am I allowed to just bring the -x3 accross like that to make it positive, and bring the 4 over to take its place to make it -4?