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Elimination Method...

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Solve by eliminatin method.

2r-5s= -11
5r+2s= 16

  • Elimination Method... - ,

    2r-5s= -11 times 5 is 10r-25s= -55
    5r+2s= +16 times 2 is 10r+ 4s= +32
    ----------------------------------
    **********subtract*****0r -29s=-87
    s = 87/29

    2r -5(87/29) = -11
    2 r - 435/29 = -11
    2 r = (-319+435)/29
    2 r = 116/29
    r = 58/29

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