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16 June, 20:38

What is 4x+3y=21 5x+2y=21

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  1. 16 June, 21:08
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    19x+0=0

    19x=0

    19x/19=0/19

    x=0

    Substitute 0 in for x in either equation and solve for y. I'm choosing E2, Why don't you use E1 for fun. You'll find you get the same answer.

    5 (0) - 2y=-14

    0-2y=-14

    -2y/-2=-14/-2

    y=7

    The solution is (x, y) = (0,7)
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