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gasteven

  • 3 years ago

|8x-1|-7>-11 I know it no solution , but I don't know why!

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  1. frx
    • 3 years ago
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    Start by adding 7 to each side

  2. frx
    • 3 years ago
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    \[|8x-1|>-4\]

  3. frx
    • 3 years ago
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    do you get that?

  4. frx
    • 3 years ago
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    Anyway the solution is:\[-4<8x-1<4 \] \[-3<8x<5\] \[\frac{ -3 }{ 8 }<x<\frac{ 1 }{ 2}\]

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