Posted by Anonymous on Tuesday, March 18, 2014 at 8:25pm.
5=7+n

math  Ms. Sue, Tuesday, March 18, 2014 at 8:34pm
Subtract 7 from both sides.

math  Pride, Tuesday, March 18, 2014 at 8:38pm
Well since we are adding we need to subtract to find n. Reason being, if we had 6+7=14 we could take it and say 146=7 or 147=6. Get it? So 57 is a negative number. 75 is 2 so it is 2. n=(2), Hope that helps!!!!

math  Anonymous, Tuesday, March 18, 2014 at 9:48pm
Thank you so much Ms. Sue and Pride! :)

math  Ms. Sue, Tuesday, March 18, 2014 at 9:49pm
You're welcome.
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