6/7+(-6/7)= D =(-6/7) +6/7
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Answer:
D=0
Step-by-step explanation:
6/7+(-6/7)=D=(-6/7)+6/7
6/7-6/7=D=-6/7+6/7
0/7=D=0/7
But we know 0 can't be written in the form of p/q
sooo....
0=D=0
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