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1 June, 13:46

2x - y = 6 5x + 10y = - 10

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  1. 1 June, 13:53
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    2x-y=6; 5x+10y=-10. - y=-2x+6. - y/-1=-2x+6/-1. y=2x-6. 5x+10y=-10. 5x+10 (2x-6) = - 10. 25x-60=-10. 25x=50. 25x/25=50/25. y=2x-6. y = (2) (2) - 6. y=-2. Therefore, x=2 and y=-2
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