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don't understand how answer is -q
Answer provided by our tutors
in:
+p and -p cancel
and 5-6=-1
so you have -1q left. "1" doesn't have to be written, so you end up with -q
don't understand how answer is -q
in:
+p and -p cancel
and 5-6=-1
so you have -1q left. "1" doesn't have to be written, so you end up with -q
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