canigetsomeanswers canigetsomeanswers
  • 25-03-2018
  • Mathematics
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If a certain number is multiplied by five, the result is the same as twenty-one plus twice the original number. What is the value of the original number?

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vojtadanhel vojtadanhel
  • 25-03-2018
7
7 times 5 = 35
21 + 14 (7*2) = 35
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Aliraza Aliraza
  • 25-03-2018
let the number be x

a.t.g.c
            5x = 21+ 2x
            5x-2x = 21
            3x    =   21
             
             x    =   21/3
    
             x    =   7      give me brainliest
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