Solve the equation by method of substitution 4x+3y=14 3x-4y=23

Question

Solve the equation by method of substitution 4x+3y=14
3x-4y=23

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Iris 1 month 2021-08-23T00:17:46+00:00 2 Answers 0 views 0

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    0
    2021-08-23T00:19:17+00:00

    Answer:

    28 is the correct answer

    0
    2021-08-23T00:19:39+00:00

    Answer:

    4x = 14 - 3y

    3 (14 - 3y) - 4y = 23

    42 - 9y - 4y = 23

     - 9y - 4y = 23 - 42

     - 5y =  - 19

    5y = 19

    y =  \frac{19}{5}

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