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22 August, 05:39

What is the answer for y=2x-5 and 4x-y=7

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  1. 22 August, 07:38
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    Substitute the first equation into the second equation. You will get:

    4x - (2x - 5) = 7

    Distribute the negative sign into the parenthesis:

    4x - 2x + 5 = 7

    Simplify

    2x + 5 = 7

    Subtract 5 on both sides

    2x = 2

    x = 1

    Now, substitute x = 1 into the first equation:

    y = 2 (1) - 5

    y = 2 - 5

    y = - 3

    The solution to the system of equations is (1, - 3).
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