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March 25, 2017

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x+3y=1
-5x+4y=-24

Solve the linear system by using elimination

  • Math - ,

    #1 times 5 --->
    5x + 15y = 5
    add to the 2nd
    19y = -19
    y = -1
    sub into x+3y=1
    x-3 = 1
    x = 4

    x=4, y = -1

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