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algol13
3 years ago
13

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?

Mathematics
2 answers:
iragen [17]3 years ago
7 0

Answer:

74

Step-by-step explanation:

let's say that your number is x

x\\\\x+3\\\\\frac{x+3}{7} \\\\=11

so we have

\frac{x+3}{7}=11\\\\7*\frac{x+3}{7}=11*7\\\\x+3=77\\\\x+3-3=77-3\\\\x=74

so your number was 74

ad-work [718]3 years ago
3 0
You thought if the number 74
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8 0
3 years ago
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3 0
3 years ago
What is the solution set?<br><br><br>(2, 0)<br><br>(7, 0)<br><br>(0, -2)<br><br>(5, 3)
fgiga [73]
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