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anonymous

  • one year ago

solve -x(-3)+2<3(2x-5)+2 -x+3+2<6x-15+x 3+2<8x-15 5x<8x-15 20/8 < 8x ( this is where i have my question do you switch the sign here because 20 is > 8? i thought you only switch the sign when multiplying or diving by negatives in interval notation type things? can anyone help

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  1. anonymous
    • one year ago
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    teacher wants us to graph it and do interval notation the end answer is 2.5>x im just wondering about the sign thing

  2. madhu.mukherjee.946
    • one year ago
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    no that happens when there is + or - signs

  3. madhu.mukherjee.946
    • one year ago
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    your sum is correct .your answer will be 2.5<x

  4. anonymous
    • one year ago
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    im confused because my teacher said the answer is 2.5>x

  5. madhu.mukherjee.946
    • one year ago
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    just on the graph show the 2.5 thing.everything is ok.:)

  6. madhu.mukherjee.946
    • one year ago
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    dude wait there is a mistake in your sum

  7. madhu.mukherjee.946
    • one year ago
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    you have calculated in a wrong way.check mine

  8. madhu.mukherjee.946
    • one year ago
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    -x(-3)+2<3(2x-5)+2 3x+2<6x-13 15<3x 5<x

  9. anonymous
    • one year ago
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    oh thanks

  10. madhu.mukherjee.946
    • one year ago
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    did you get the thing

  11. anonymous
    • one year ago
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    yea

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spraguer (Moderator)
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