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20 April, 04:21

What's 4x+2y=10

X-y=13

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  1. 20 April, 04:24
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    X=y+13 then put in above

    4 (y+13) + 2y=10

    4y+52+2y=10

    6y=-42

    divide by 6

    y=-7

    Now put in X=y+13

    x=-7+13

    x=6
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