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25 December, 08:47

Which equation can be used to determine x in the system of linear equations below?

-2x+14y=148 3x+5y=256

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  1. 25 December, 09:04
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    -2x+14y=148*3x+5y=256

    (-2x+14y) / 148=3x+5y=256/148

    (-x+y) 37/7=3x+5y=64/37

    37*7 (x+y) / 37 = (3x+5y) * 37=64/37*37

    7 (x+y) = 111x+185y=64

    7x-111x=-7y-185y+64

    104x=191y+64

    x=191y+64/104
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