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Selena2345

  • 3 years ago

40n=-8

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  1. jim_thompson5910
    • 3 years ago
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    40n means 40 times n you want to isolate 'n' so you have to undo the multiplication by 40, which means you must divide both sides by 40

  2. Selena2345
    • 3 years ago
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    How

  3. jim_thompson5910
    • 3 years ago
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    40n/40 = 1n or just n so on the left side, 40n turns into just 'n'

  4. jim_thompson5910
    • 3 years ago
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    you must do the same to both sides, so divide -8 by 40 and reduce

  5. jim_thompson5910
    • 3 years ago
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    n = ???

  6. Selena2345
    • 3 years ago
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    Can You Show Me Jim how to solve it

  7. jim_thompson5910
    • 3 years ago
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    -8/40, what does that reduce to?

  8. Selena2345
    • 3 years ago
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    -1/5

  9. jim_thompson5910
    • 3 years ago
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    good, so n = -1/5

  10. Selena2345
    • 3 years ago
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    Can You Show me how you will solve it

  11. jim_thompson5910
    • 3 years ago
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    40n = -8 40n/40 = -8/40 1n = -8/40 n = -1/5 This is basically what we did, just all in one place

  12. Selena2345
    • 3 years ago
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    Thank You Jim

  13. jim_thompson5910
    • 3 years ago
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    np

  14. Selena2345
    • 3 years ago
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    Jim Can you help me with a different problem

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