18) if 9 is added with 9 times a number the sum is 10 times the number. Find the number.
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18) if 9 is added with 9 times a number the sum is 10 times the number. Find the number.
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Given that:
To Find:
Let us assume:
Finding the number:
According to the question.
→ 9x + 9 = 10x
→ 9x - 10x = -9
→ -x = -9
→ x = 9
Hence,