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Forty-five less than twice a number is five times that number . What is the number ?
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4 votes
Forty-five less than twice a number is five times that number . What is the number ?

User Anton Eliasson
by
7.3k points

2 Answers

3 votes
The answer is -15.

2n-45=5n
-2n -2n
——————-

-45=3n
—- —-
3 3

-15=n

2(-15)-45=5(-15)

-30-45=-75

-75=-75
User Chaity
by
8.2k points
6 votes

2n=5n-45

3n=45

the number is 15

User Ben Hoffman
by
7.9k points
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