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photoshop1234 [79]
3 years ago
13

PLEASE HELP!!!

Mathematics
1 answer:
arsen [322]3 years ago
7 0

Answer:


Step-by-step explanation:

If x is the certain number, writing 9 to its right will give us 10x+9.... add 2x to it and we get 12x+9

12x+9 = 633

12x = 624

x= 52.

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