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anonymous

  • 5 years ago

2 times x over 6 times x plus 7 equal 2 over x. What is the value of x?

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  1. amistre64
    • 5 years ago
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    you having to practice words to math notation or what?

  2. dumbcow
    • 5 years ago
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    great equation :) whats the order of operations? 2x/(6x+7) = 2/x ??

  3. anonymous
    • 5 years ago
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    no kinda like radical exspressions

  4. anonymous
    • 5 years ago
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    and yes dumbcow

  5. dumbcow
    • 5 years ago
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    i think you mean rational expressions

  6. anonymous
    • 5 years ago
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    what is the value of x

  7. anonymous
    • 5 years ago
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    yes

  8. anonymous
    • 5 years ago
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    i really need help

  9. dumbcow
    • 5 years ago
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    well you have 2 ratios equal to each other...cross-multiply 2x^2 = 12x +14

  10. dumbcow
    • 5 years ago
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    divide by 2 and set equal to 0 x^2 -6x -7 = 0 Factor and solve

  11. anonymous
    • 5 years ago
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    soo the answer is?

  12. dumbcow
    • 5 years ago
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    ... the roots of the quadratic above ^^ you have done these before

  13. anonymous
    • 5 years ago
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    not reallly im have to do this assignment and its due today

  14. anonymous
    • 5 years ago
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    i dnt understand tht well

  15. dumbcow
    • 5 years ago
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    i showed you the steps to get it into a quadratic. use the quadratic formula, do you learn how to use that?

  16. anonymous
    • 5 years ago
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    yes but wats the answer

  17. dumbcow
    • 5 years ago
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    you tell me, and i'll tell you if its right. quadratic formula: x = -b +-sqrt(b^2-4ac) / 2a

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