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anonymous

  • one year ago

Solve the following equation, explaining what you did in each step of your solution. After solving the equation, show the steps to check your solution. 3 x + 2(4 + 6 x ) = 113

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  1. anonymous
    • one year ago
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    I found the answer but when I plugged it in, it wasn't right.

  2. jojokiw3
    • one year ago
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    Hm, expand 2(4+6x). What do you get?

  3. anonymous
    • one year ago
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    I get 2(4) + 2(6x)

  4. jojokiw3
    • one year ago
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    Which then equals?

  5. anonymous
    • one year ago
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    8 + 12x?

  6. jojokiw3
    • one year ago
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    Okay now replace 2(4+6x) with that an show me the entire equation.

  7. anonymous
    • one year ago
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    3x + 8 + 12x.

  8. jojokiw3
    • one year ago
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    = 113 right? So you now have.

  9. jojokiw3
    • one year ago
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    3x + 8 + 12x = 113. What do you do next?

  10. anonymous
    • one year ago
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    15x + 8 = 113?

  11. jojokiw3
    • one year ago
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    Okay, then what?

  12. anonymous
    • one year ago
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    We have to subtract 8 on both sides.

  13. jojokiw3
    • one year ago
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    Mhm, so what's the equation now??

  14. anonymous
    • one year ago
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    15x = 105.

  15. jojokiw3
    • one year ago
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    Mhm, so what does x =?

  16. anonymous
    • one year ago
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    7. But the thing is I plugged it in to the original equation and I ended up with a random number that's bigger than 113.

  17. jojokiw3
    • one year ago
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    Hm. Let's see. 3(7) + 2[4+6(7)] = 113. 21 + 2(4+42) = 113. 21 + 2(46) = 113. 21 + 92 = 113. 113 = 113.

  18. jojokiw3
    • one year ago
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    Seems alright to me. C:

  19. anonymous
    • one year ago
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    If you don't know what I did then this is what I did. 3(7) + 2(4) + 2(6*7) = 113 21 + 8 + 84 = 113 which is not 113.

  20. jojokiw3
    • one year ago
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    Lol 21 + 8 +84 does equal 113.

  21. jojokiw3
    • one year ago
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    8+84 = 92. 92 + 21 = 113.

  22. anonymous
    • one year ago
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    Okay I'm confused now.

  23. jojokiw3
    • one year ago
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    Lol 7 is the answer haha.

  24. anonymous
    • one year ago
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    Ugh! Thank You anyway. But why does math have to be so CONFUSING! Sorry but this is why I don't like math.

  25. jojokiw3
    • one year ago
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    Np.

  26. anonymous
    • one year ago
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    So thank you millions of times for undoing the confusion.

  27. anonymous
    • one year ago
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    Do you also do English?

  28. jojokiw3
    • one year ago
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    Yep.

  29. anonymous
    • one year ago
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    Oh. Great! Can you help me in that too? But since I'm kind of good a t math, I'll need help but not as much as math.

  30. jojokiw3
    • one year ago
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    Just tag me in the question.

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