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5 December, 21:05

Solve the following equation;

6x+3y=13

-9x-4y=-17

+3
Answers (2)
  1. 6 December, 00:12
    0
    First solve for y with first equation:

    3y = 13-6x so y = 13/3-2x

    Plug that in with 2nd equation:

    -9x-4 (13/3-2x) = - 17

    -9x-52/3-8x=-17

    -17x=-34 1/3

    x = 34 1/3

    17

    x = 103/51
  2. 6 December, 00:58
    0
    You can not do the first one because the things do not add up
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