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MathematicsMathematics
4 February, 00:44

Solve the following equation;

6x+3y=13

-9x-4y=-17

+4
Answers (2)
  1. 4 February, 01:30
    0
    You can not do the first one because the things do not add up
  2. 4 February, 02:48
    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
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