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kondaur [170]
4 years ago
7

The sum of two numbers is 21 and their difference is 9

Mathematics
2 answers:
mamaluj [8]4 years ago
5 0
21-9 = 12. 12 + 9 = 21. The sums are 12 and 9. 
bonufazy [111]4 years ago
5 0
Hey there,

Answer:
1st no. : x
2nd no. : x + 9 
x + x +9 = 21
x + x = 21 - 9
2x = 12
x = 12 / 2
   = 6
1st number = 6
2nd number = 6 + 9
                    
= 15

Hope this helps :D

<em>~Top♥</em>
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