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Msdk asked in Science & MathematicsMathematics · 11 months ago

Explain, please?

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1 Answer

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  • ?
    Lv 7
    11 months ago

    Draw the lines x = 1, y = x and y + 3x = 7

    Ensure they are dashed as our solution points do not lie on the lines.

    Testing with point (-1, 15) we get:

    -1 < 1, 15 > -1 and 15 - 3 > 7....all true!!

    :)>

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