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I am solving inequalities then graphing my solution. in a problem such as


how do i solve this? and also how do i know the greater then less then sign is going the right way?

  • Math -

    first divide both sides by negative 2 !! BUT !! remember that when you multiply (or divide) both sides of an inequality by a negative number you reverse the direction of the arrow.
    c-1 > 11
    c > 12

    try c = 13
    -2(12) < -22 ?
    -24 < -22 right, good

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