SOLUTION: use the echelon method to solve the system of two equations in two unknowns. x-3y=-4 -7x-2y=28 please show work

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Question 334119: use the echelon method to solve the system of two equations in two unknowns.
x-3y=-4
-7x-2y=28
please show work
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




















Hence, the solution set is


John

My calculator said it, I believe it, that settles it