math

Help! i am having trouble finding the order pair for the first pair I have (0,-12), but I am not sure this is correct
9x-4y= -12 and 4y-9x=12

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asked by jean
  1. 9x - 4y = - 12
    -9x + 4y = 12
    Add the 2 Eqs and get:
    0 + 0 = 0
    There are no solutions, because the 2 Eqs are identical and have = slopes and y-intercepts.

    Slope-int. form:
    y = (9/4)x + 3
    y = (9/4)x + 3

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    posted by Henry

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