Question 244391
5x+3y=-11
7x-2y=-17
.
10x+6y=-22 not -33
21x-6y=-51 not 51
-----------------add
31x=-73
x=-73/31
.
5(-73/31)+3y=-11 replace x with -73/31
-365/31 +3y=-11
3y=24/31
y=8/31
.
Ed