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OnlyIn1D

Simplify the following expression. x − 4y + 5z − 3x − y + 2z = ? 2x − 5y + 7z −2x − 5y − 7z −2x − 5y + 7z −2x −5y + 3z

  • 9 months ago
  • 9 months ago

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  1. cwrw238
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    add like terms eg x - 3x = -2x

    • 9 months ago
  2. OnlyIn1D
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    huh?

    • 9 months ago
  3. cwrw238
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    iits a subtract but u can look upon it as add x + (-3x) = -2x

    • 9 months ago
  4. xoya
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    x − 4y + 5z − 3x − y + 2z Re-arrange them and then solve x-3x-4y-y+5z+2z -2x-5y+7z :)

    • 9 months ago
  5. xoya
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    It's option number C :)

    • 9 months ago
  6. OnlyIn1D
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    okay thanks

    • 9 months ago
  7. xoya
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    Your welcome :)

    • 9 months ago
  8. OnlyIn1D
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    @xoya Evaluate: 16 − 10 ÷ 2 + 3 6 8 14 0

    • 9 months ago
  9. OnlyIn1D
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    i got 16 is that correct

    • 9 months ago
  10. cwrw238
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    the rule here is to work out the division first then work from left to right

    • 9 months ago
  11. OnlyIn1D
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    i mean i got 14 is that correct

    • 9 months ago
  12. cwrw238
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    16 - 10 / 2 + 3 = 16 - 5 - 3 = 11 - 3 = 8

    • 9 months ago
  13. cwrw238
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    following the following rule PEDMAS in order of priority parentheses, exponent, divide multiply add subtract

    • 9 months ago
  14. OnlyIn1D
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    isn't it 16 - 5 +3

    • 9 months ago
  15. cwrw238
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    so you see how i did the division first?

    • 9 months ago
  16. OnlyIn1D
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    so then 11 + 3 then that will be 14

    • 9 months ago
  17. cwrw238
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    oh sorry u r right yes 14

    • 9 months ago
  18. OnlyIn1D
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    Bob's Car Rentals charges a flat rate of $35 per day plus $3.50 per mile. If the number of miles is represented by "m", which algebraic expression represents the overall rate for the day using "m"? 38.50m 35m + 3.50 35 + 3.50m 31.50m

    • 9 months ago
  19. OnlyIn1D
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    @xoya

    • 9 months ago
  20. OnlyIn1D
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    @cwrw238

    • 9 months ago
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