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olga_2 [115]
2 years ago
14

How many times do you subtract 7 from 1999 and 5 from 1701 to get an equal number?

Mathematics
1 answer:
blsea [12.9K]2 years ago
5 0

Answer:

<h2>149 times.</h2>

Step-by-step explanation:

Let n be the number we are looking for.

The we have to solve this equation:

1999 - 7n = 1701 - 5n

⇔ 1999 - 1701 = 7n - 5n

⇔ 298 = 2 n

⇔ n = 298/2

⇔ n = 149

<u><em>Verification</em></u> :

1 999 - 7×149 = 956

1 701 - 5×149 = 956

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Julia has read her favorite book 6 times,This is 3 times more than her Kami.How many times has Kami read the book?
motikmotik

Answer:    The answer is:  " 2 " .  

_______________________________________________

        → Kami has read the book "<u>  2 (two)  </u>" times.

_______________________________________________

Step-by-step explanation:

_______________________________________________

Let "J" represent the number of times julia has read the book.

Let "K" represent the number of times Kami has read the book.

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Divide each side of the equation by "3" ;

to isolate "K"  on one side of the equation; & to solve for "K" :

→  3K / 3  =  6 / 3 ;

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3 years ago
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Solve the equation.<br> 8nminus​(3nplus4​)equals11
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Answer:

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