Algebra

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compound inequalities
-10<-2+8x<22

  • Algebra -

    break into two equations

  • Algebra -

    So we get -10 < -2 +8x and -2+8x<22
    now we have -8<8x and 8x<24
    so we have -1<x and x<3
    thus
    -1<x<3

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