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Katyanochek1 [597]
3 years ago
15

Twice an integer is five less than 21

Mathematics
1 answer:
liraira [26]3 years ago
3 0

By making an equation, we can solve this problem.

First, we need to establish our variable.  Let's call our unknown integer "x"

So, 2 times an integer can be represented by 2x So, that is (means equal to) 5 less than 21.

5 Less than 21 is 21-5.


So,

2x = 21-5

Now, just solve the equation for x.

2x = 16

x = 8


The integer you described is 8.

Hope this helps!

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