solve my system of equation with full steps
math - Anonymous, Thursday, July 25, 2013 at 12:05am
Multiply I eq by 2 and II by 3
6x-15y=-57. Subtract II eq from I. Signs of II eq will change:-6x+15y=57.
Thus, 8y+15y=58+57 Or 23y=115
Now substitute this in any original eq:
3x-4x5=29 or 3x=29-20=9, hence x=9/3=3
math - olivia, Wednesday, March 25, 2015 at 4:33pm