3 years ago

*I thought of a number, added 18, then multiplied the result by 8. I got 16. What was my number?

Mathematics

1 answer:

Arte-miy333 [17]3 years ago

4 0

Answer:

-16

Step-by-step explanation:

Represent the number by n.

Then:

8(n + 18) = 16

Performing the indicated multiplication, we get:

8n + 144 = 16

Subtracting 144 from both sides results in 8n = -128.

Dividing both sides by 8: n = -128/8 = -16

The number was -16.

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