algebra

how do you solve this compound inequality
5>-4x+4 or 9<or equal to -3x+4

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asked by Sarah
  1. 5>-4x+4
    1>-4x
    (1/4) > -x
    -1/4 <x change direction of arrow when multiplying both sides by negative value.
    so
    x> -1/4 is in (everything right of -1/4)
    now
    9</=-3x+4
    5 </= -3x
    -5/3 >/= x
    so
    x </= -5/3 is in (-5/3 and everything left of that)
    graph that
    The only part of the x axis that is not in your domain is between right of -5/3 and -1/4 including -1/4

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    posted by Damon

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