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slega [8]
3 years ago
6

When the sum of a number and 3 is subtracted from 10 the result is 5. What is the integer

Mathematics
1 answer:
Rashid [163]3 years ago
4 0

In algebraic terms this is:

10-(x+3)=5\\10-x-3=5\\10-x=5+3\\10-x=8\\-x=8-10\\-x=-2\\x=2

The integer is 2.

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The additional cost per month of a sunroof, spoiler and stereo is represented by three consecutive even integers, respectfully.
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Answer:

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Step-by-step explanation:

First of all, I think it was "respectively", not "respecfully", =))). A noticeable point.

From the problem, three item's costs are represented by three consecutive even integer.

Thus, we can call cost of spoiler is x, sunroof is x-2, stereo is x + 2. It is conditioned that x is an even number.

Since the sum of the three is 48, we have

(x-2) + x + (x+2) = 48

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3x =48

x=16

So the spoiler is 16; thus, the sunroof is 14 and the stereo is 18

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3 years ago
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Answer:

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