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If you take a certain number and write a 9 to the right of it and add the doubled certain number to the result, the sum will be equal to 633
Question
If you take a certain number and write a 9 to the right of it and add the doubled certain number to the result, the sum will be equal to 633. Find the certain number.
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Mathematics
3 years
2021-08-02T01:16:14+00:00
2021-08-02T01:16:14+00:00 2 Answers
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Answers ( )
Answer:
let’s say x is a certain number
10*x+9+2x=633
12x=624
x=52
Proof:
529+104=633
Step-by-step explanation:
Hello,
let’s say x is a certain number
10*x+9+2x=633
12x=624
x=52
Proof:
529+104=633