Question

10) If 10 is added to four times a certain number, the result is 5 less than five times the number. The number is
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Answer 1

The certain number is 15 which results in 5 less than five times the obtained number.

A] Let the numbers be x so , 10 + 4x = 5x - 5⇒10+5=5x−4x⇒15=x∴ the numbers is 15...

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