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earnstyle [38]
3 years ago
7

I need help, can someone tell me the answer to 13x + 3 - 7x - 1? Please and thank you.

Mathematics
2 answers:
seropon [69]3 years ago
4 0

Answer:

6x+2 is the answer

Step-by-step explanation:

.......

Yuki888 [10]3 years ago
3 0

Answer:

6x+2

Step-by-step explanation:

your combine like terms...

so 13x is teh same as -7x

13x-7x= 6x

3 and -1 are the same as well

3-1=2

so teh answer would be

6x+2

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Using the mean concept, it is found that the value of the number that was removed was of 4.

<h3>What is the mean?</h3>

The mean of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.

The mean of five numbers is 8, hence, the sum of the numbers is given by:

S = 5 x 8 = 40.

If one of the five numbers is removed, the mean becomes 9, hence, the sum of the four numbers is given by:

S = 4 x 9 = 36.

The difference is:

40 - 36 = 4.

Hence, the value of the number that was removed was of 4.

More can be learned about the mean concept at brainly.com/question/25122507

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Step-by-step explanation:

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Zielflug [23.3K]

Answer:

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Step-by-step explanation:

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Data:
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