Question 137275
-3x + y = 3 (x3)
2x - 3y = 5
then

-9x+3y=9
2x - 3y = 5
then doing the addition

-7x=14
then
x=-2
then
2(-2)-3y=5
then
-3y=9
then
y=-3

Solution is x=-2 and y=-3 (unique)
so the system is independent