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  • 15-03-2021
  • Mathematics
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three times the result of subtracting a certain number from seven give the same answer as adding 11 to the number. find the number​

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Аноним Аноним
  • 15-03-2021
3(x-7)=x+11
3x-21=x+11
3x=x+11+21
3x=x+32
3x-x=32
2x=32
x=32/2
x=16
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