How do you solve: u/2- 3 1/4=-5?/ What is the common denominator?

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Apr 3, 2018

Answer:

#u = -3 1/2# or #-3.5#

Explanation:

#u/2-3 1/4 = -5#

The first thing we should do is add #3 1/4# to both sides of the equation. So #-5 + 3 1/4 = -1 3/4#
#u/2 = -1 3/4#

Now to solve #u#, we multiply both sides by #2#:
#u = -3 1/2# or #-3.5#

The common denominator is #4#. However, you do not need a common denominator in this problem as shown above.

Hope this helps!

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