Answer:
4
Step-by-step explanation:
It's easy because 4-4=0 and anything divided by zero is zero.
10
<u><em>y = -4 </em></u>
<u><em>x = 6 </em></u>
<em><u>x-y = 6-(-4) = 6+4 = 10</u></em>
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M IS M