ELIMINATION METHOD: 2X+3Y=-18;3X-5Y=11
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2X+3Y=-18.......... (1)
3X-5Y=11........ (2)
Multiple 3 in equation 1 and multiple 2 in equation 2 and subtract each other
6x+9y-6x+15y=-54-22
Or
24y=-76
Y=-76÷24=-3.17
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