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26 October, 15:58

2x+y=11

4x-3y=7

substitution

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Answers (2)
  1. 26 October, 16:39
    0
    Solve for y in the first equation.

    y=-2x+11

    Plug it into the second equation.

    4x-3 (-2x+11) = 7

    4x+6x-33=7

    10x=40

    x=4

    Plug the x value into one of the original equations,

    2 (4) + y=11

    8+y=11

    y=3

    Final answer: (4,3)
  2. 26 October, 18:05
    0
    2x+y=11. 2x=11-y. X=11/2-y/2 x=11-y

    2
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