solve by elimination:
2x-3y=1
3x-2y=-6
multiply 2x-3y=1 by 2 ----> 4x - 6y = 2
multiply 3x-2y=-6 by -3 ---> -9x + 6y = 18
now add them and solve for x
then sub back into the 1st to find y
2x-3y=1
3x-2y=-6
multiply 3x-2y=-6 by -3 ---> -9x + 6y = 18
now add them and solve for x
then sub back into the 1st to find y