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anonymous

  • one year ago

The solution to 2x - 5 = 27 is also a solution of which of the following equations? a.3 + 5x = 58 b.3x - 2 = 31 c.2x + 3 = 35 d.27 - 2x = 5

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  1. anonymous
    • one year ago
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    @vbroberson @phi

  2. welshfella
    • one year ago
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    solving 2x - 5 = 27 add 5 to both sides 2x - 5 + 5 = 27 + 5 2x = 32 divide both sides by 2 x = ?

  3. welshfella
    • one year ago
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    can you finish it off/

  4. anonymous
    • one year ago
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    idk whats the answer

  5. welshfella
    • one year ago
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    2x / 2 = x 32 / 2 = ?

  6. welshfella
    • one year ago
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    s = 32/2 = ?

  7. anonymous
    • one year ago
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    16 okay but the answer choices are up there

  8. welshfella
    • one year ago
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    yea - now what you do is find which choice fits x = 16 for example try the first one:- 3 + 5x = 58 plug in x = 16 3 + 5*16 = 3 + 80 = 83 NOT 58 so it cant be choice 1

  9. anonymous
    • one year ago
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    ok......

  10. anonymous
    • one year ago
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    now try the others

  11. welshfella
    • one year ago
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    for b you want to see if 3*16 - 2 = 31 3*16 - 2 = ?

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