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14 August, 19:10

The best way to describe lines y = x+3 and - x+y=7

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  1. 14 August, 19:25
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    Parallel lines

    Step-by-step explanation:

    The equation of a line in slope - intercept form is

    y = mx + c (m is the slope and c the y - intercept)

    y = x + 3 ← is in slope - intercept form

    with slope m = 1

    - x + y = 7 (add x to both sides)

    y = x + 7 ← in slope - intercept form

    with slope m = 1

    Parallel lines have equal slopes, thus the lines are parallel
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