helpSolve the following system of equations. Please show your work to receive full credit.
x - y = 19
2x + y = 2

Part 2:
Explain which method you chose to solve the system and why you felt it was the best choice

Question

helpSolve the following system of equations. Please show your work to receive full credit.
x - y = 19
2x + y = 2

Part 2:
Explain which method you chose to solve the system and why you felt it was the best choice

dinmosiaren · Answer

Matix... do 2 by3.
|dw:1365095366576:dw|
inter that into your calculator by pusing 2nd then matrix. 
Once you have done that click 2nd matrix again. go to "math" then find the funtion for  (row reduced eshilon) rref. Then hit 2nd matrix again to enter your matrix. 

Your final matrix should look like this
|dw:1365095571648:dw|

with this information you know that x=7 and y=-12