algebra 1

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Label each statement true or false if false correct the underlined portion.If -4<-2t+6<10,then this is the underlined 2>t+6>-5.

If this is underlined |y+8|+2=6,then this not underlined y+8=_+4.

Translate and solve.
the absolute value of three times a number,n,is greater than 15.

  • algebra 1 -

    1. -4<-2t+6<10.
    -10<-2t<4
    Divide by -2 and reverse inequality sign:
    5 > t > -2. True.

    2. |y+8|+2 = 6.
    |y+8| = 6-2 = 4
    y+8 = +-4
    Y = -8 +-4
    Y = -4.
    Y = -12.

    3. |3n| > 15.
    3n > 15
    n > 5.

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