geometry
posted by laila01 .
solve the system of equations:
3x + 2y = 17
2x  y = 9

Double the second equation and add them.
3x + 2y = 17
4x  2y = 18
____________
7x = 35
Take it from there. Divide both sides by 7 and plug the answer you get for x into either equation, to get y.