natalietackett56
natalietackett56 natalietackett56
  • 11-02-2020
  • Mathematics
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The sum of 5 times a number and -7, added to 9 times the number

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itmye84 itmye84
  • 11-02-2020

I will use "x" to represent the (unknown) number

(5x - 7) + 9x    

[sum(addition) of 5 times(multiplication) a number and -7, added to 9 times the number. So 5x and -7 are added together, then the sum of 5x and -7 is added to 9x]

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