bethanytidwell1 bethanytidwell1

23-08-2017
Mathematics

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How do you work out q-9==11

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Mooniee Mooniee

23-08-2017

You would do the inverse operation.

So you would add 9 on each side.

q - 9 = 11
+9 = +9
--------------- Drop the q. The -9 +9 would cancel out.
q = 20 11+9 equals 20.

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