solve: 6x-4y=56 2x+6y=-40 2/10/2013 | Angelina from Hackettstown, NJ | 1 Answer | 0 Votes Mark favorite Subscribe Comment
6x-4y=56 =>/2, 3x-2y = 28 ......(1) 2x+6y=-40 =>/2, x+3y = -20 ......(2) (2)*3 - (1): 11y = -88 y = -8 x = -20-3y = 4 Answer: x = 4, y = -8 2/10/2013 | Robert J. Comment Comments why would you divide by 2 on the equations? 2/11/2013 | Angelina from Hackettstown, NJ Comment
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why would you divide by 2 on the equations?