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2 July, 02:33

What is 8x-3y=-16,5x+2y=-41

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  1. 2 July, 02:42
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    I'm assuminng you want to find x and y

    eliminate

    hmm

    eliminate y's

    3 times 2=6

    multiply first equation by 2 and 2nd by 3 and add

    16x-6y=-32

    15x+6y=-123 +

    31x+0y=155

    31x=155

    divide both sides by 31

    x=5

    sub back

    5x+2y=-41

    5 (5) + 2y=-41

    25+2y=-41

    minus 25 both sides

    2y=-66

    divide by 2

    y=-33

    (x, y)

    (5,-33)
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