2+by+2+determinant+Set+3

5x+4y=10 5x-7y=17 x= 10 4 ___17 -7_____ = -70-68 = -118= 2.15 -Ryan S -35-20 -55

5 4 5 -7

question This question is not significantly different than the one above!! 6x-8y=11 3x-.4y=-8