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Marat540 [252]
2 years ago
9

I subtract 3 from a certain number, multiply the result by 5 and then add 9 if the final result is 54. find the original number

Mathematics
1 answer:
Sergeu [11.5K]2 years ago
8 0

(x-3)\cdot 5+9=54\\5x-15=45\\5x=60\\x=12

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