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olchik [2.2K]
3 years ago
15

If 3 is added to twice a number the result is 17 find the number

Mathematics
2 answers:
Sergeu [11.5K]3 years ago
7 0
For this, the number we are looking for is x. 

use this formula... 17 - 3 = 2x

therefore, 14 is your doubled number. 

14 divided by two is 7.

your mystery number  is 7
Mekhanik [1.2K]3 years ago
4 0
2x+3=17\\
2x=14\\
x=7

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