7. If 10 be added to four times a certain number, the result is 5 less than five times the
number. Find the number.
Answers
Answered by
1
Answer:
15
Explanation:
10 added to four times the number x=10+4x. 5 less than 5 times the number =5x-5. Hence 10+4x=5x-5. Or 10+5=5x-4x. x=15
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