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-2x+y = -8 | x3 | -6x+3y = -24
———————— -
11x = 5
x = 5/11
5x+3y = -19 | x2 | 10x+6y = -38
-2x+y = -8 | x5 | -10x+5y = -40
_____________ +
11y = -78
y = - 78/11 = - 7 8/11