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6 March, 22:59

Given the system of equations. Which of the {-5x+y=6 - - > y=5x+6 3x-y=14}

options represents the resulting equation after an equivalent expression for y is substituted into the second equation. 3x - (5x + 6) = 14 - 3x + 5x + 6 = 6 3 (5x + 6) - y = 14 - 3x (5x + 6) + y = 6

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  1. 6 March, 23:04
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    The first thing we must do is solve the problem step by step to choose the correct option.

    Step 1:

    Clear y from the first equation:

    -5x + y = 6

    y = 5x + 6

    Step 2:

    Replace this value of y in the second equation:

    3x-y = 14

    Substituting:

    3x - (5x + 6) = 14

    answer

    the resulting equation after an equivalent expression for y is substituted into the second equation is

    3x - (5x + 6) = 14
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