Marti5du4gaBlan Marti5du4gaBlan 18-11-2016 Mathematics contestada Please help! I will Upvote! Find a solution to the following system of equations. −2x + y = −3 −x + 2y = 3 A- (–3, –9) B- (3, 3) C- (–21, –9) D- (0, 2)