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28 March, 05:41

2x-5y=11

4x+10y=18 elimination

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  1. 28 March, 06:00
    0
    2x-5y=11 (multiply all by - 2. turns into. - 4x+10y=-22). - 4x+10y=-22. 4x+10 (-7.5) = 18

    4x+10y=18. 4x-75=18

    20y=-4. 4x=75+18

    y=-7.5. x=23.25

    Answer) (23.25, 7.5)
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