Question 878640: solve using the substitution method
-6x+y=33
7x+17=16
Answer by richwmiller(17219)   (Show Source):
You can put this solution on YOUR website! Using gauss jordan
-6,1,33
7,17,16
divide row 1 by -6/1
1,1/-6,11/-2
7,17,16
add (-7/1) *row 1 to row 2
1,1/-6,11/-2
0,109/6,109/2
divide row 2 by 109/6
1,1/-6,11/-2
0,1,3
add (-1/-6) *row 2 to row 1
1,0,-5
0,1,3
x=-5
y=3
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