Post a New Question
posted by Mary on Friday, June 29, 2012 at 2:44pm.
solve using elimination method -3x+4y=1, -6x+6y=-3
double the first -6x + 8y = 2 -1 times the 2nd 6x - 6y = 3 add them: 2y = 5 y = 5/2 sub into 1st: -3x + 4(5/2) = 1 -3x = -9 x=3
More Related Questions