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JessicaO Group Title

x+1/5=x-1/2

  • 2 years ago
  • 2 years ago

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  1. Ahaanomegas Group Title
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    Cancel x on both sides: 1/5 = -1/2. No solution.

    • 2 years ago
  2. JessicaO Group Title
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    These are proportions.. Im supposed to be using cross products.

    • 2 years ago
  3. JessicaO Group Title
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    I get a decimal... /:

    • 2 years ago
  4. goformit100 Group Title
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    ok

    • 2 years ago
  5. muntoo Group Title
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    \[\Large \frac{x+1}{5}={x-1\over2}\] Be more specific next time. Use parenthesis or the equation editor.

    • 2 years ago
  6. muntoo Group Title
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    Multiply both sides by \(5\cdot2\).

    • 2 years ago
  7. Ahaanomegas Group Title
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    Ah, then you should have typed it like: (x+1)/5 = (x-1)/2. Careful with parentheses usage. So, when you cross-multiply (not cross product - that's a vector term), you get: \[ \dfrac {x+1}{5} = \dfrac {x-1}{2} \rightarrow 2(x+1) = 5(x-1) \rightarrow 2x + 2 = 5x - 5 \rightarrow 3x = -7, \] so you're right. It's a decimal. @goformit100 Spamming != Good. ;) @JessicaO Remember what muntoo and I said - be specific. ;)

    • 2 years ago
  8. goformit100 Group Title
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    i am not spamming

    • 2 years ago
  9. JessicaO Group Title
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    Thank y'all. :)

    • 2 years ago
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