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jvg1231

  • 3 years ago

solve for x 5/2x + 1/4x = 7/4 + x thank you

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  1. gianarpt
    • 3 years ago
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    I got two different answers when I went to check my work so maybe somebody could correct me?

  2. gianarpt
    • 3 years ago
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    10/4x +1/4x=7/4+4/4x 11/4x=7/4 + 4/4x (11/4x-4/4x)=7/4x 7/4x=7/4 x=28/28 or x=1 is my first answer

  3. gianarpt
    • 3 years ago
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    this is my second answer 20/4x + 1/4x = 7/4 + x 21/4x = 7/4 + x 4.25x = 7/4 x = (7/4)/(4.25) 21/4 - 1 21/4 - 4/4 = 17/4 7/4 * 4/17 = 28/68

  4. Mertsj
    • 3 years ago
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    But in you second problem you have that 5/2 is 20/4 and that is not true

  5. Mertsj
    • 3 years ago
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    You could cheeck you answer using substitution if you wanted to know which one is correct.

  6. gianarpt
    • 3 years ago
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    okay so its probably my first answer! i have to get off though so you're welcome and good luck :)

  7. jvg1231
    • 3 years ago
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    thank you for trying i really appreciate it :)

  8. gianarpt
    • 3 years ago
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    no problem! :)

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