melaniamawji melaniamawji
  • 07-09-2020
  • Mathematics
contestada

I thought of a number. I added 3 to it, and then divided the result by 7, and I got 11. What was my number?

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smileykyle
smileykyle smileykyle
  • 07-09-2020
You thought if the number 74
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CSMedrano
CSMedrano CSMedrano
  • 07-09-2020

Answer:

74

Step-by-step explanation:

let's say that your number is x

[tex]x\\\\x+3\\\\\frac{x+3}{7} \\\\=11[/tex]

so we have

[tex]\frac{x+3}{7}=11\\\\7*\frac{x+3}{7}=11*7\\\\x+3=77\\\\x+3-3=77-3\\\\x=74[/tex]

so your number was 74

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