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11 July, 17:35

Solve the system of equations. {-x+y=1, 3x-y=5 What is the x-coordinate

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  1. 11 July, 20:57
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    Answer: x = 3

    Step-by-step explanation:

    We are trying to find where these two lines intersect each other.

    Now,

    -x + y = 1

    or, y = x + 1

    3x - y = 5

    If these two lines intersect, then the value of y coordinate must be the same.

    So, substituing y = x + 1 into 3x - y = 5

    3x - (x + 1) = 5

    3x - x - 1 = 5

    2x = 6

    x = 3
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