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How do you solve #7/b=1/9#?

Answer 1

Kennedy Adams

#b=63#

#7/b=1/9# is our equation, which we divide, multiply, manipulate, so long as we do it to both sides of the equation.

We can mulitply both sides by #b#:

i.e. #7/bxxb=b/9#;

#7=b/9#; and now mulitply both sides by #9#:

#7xx9=63=b#.

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Answer 2

Eva Abramson

To solve the equation 7/b = 1/9, you can cross-multiply. Multiply 7 by 9 to get 63, and multiply b by 1 to get b. Therefore, the solution is b = 63.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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