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23 November, 08:18

What does x and y equal in y=x+5 and 3x+y=25

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  1. 23 November, 11:37
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    The values x and y are determined when we use the substitution method.

    y = x + 5

    Apply eh value of y into the equation to solve for x.

    3x + y = 25

    3x + x + 5 = 25

    Combine like terms

    3x + x = 4x

    4x + 5 = 25

    -5 - 5 4x = 20

    4x/4 = 20/4

    x = 20/4

    x = 5

    Now we know the value of x, and we need to solve for y.

    y = x + 5

    y = 5 + 5

    y = 10

    10 = 10

    Now we know both of these values.

    Answer:

    x = 5

    y = 10
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