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Catrina
Catrina asked in Science & MathematicsMathematics · 9 years ago

-1≤2-x≤4 <--i need help with this!?

solve the inequality symbolically. express the solution set in interval notation

please help me, and thanks! :)

this is the last question in my studying, then i can go to bed! :)

2 Answers

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  • ?
    Lv 7
    9 years ago
    Favorite Answer

    subtract 2, multiply by -1

    -3 ≤ -x ≤ 2

    3 ≥ x ≥ - 2

    -2 ≤ x ≤ 3

    x in [-2, 3]

  • peabody
    Lv 7
    9 years ago

    -1≤2-x≤4

    -1 -2 <= 2- x -2 <= 4-2

    -3 <= -x <= 2

    3 >= x >= -2

    or -2 <= x < 3

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