jojo5688
jojo5688
27-08-2018
Mathematics
contestada
Need help how to solve this
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misssedona
misssedona
27-08-2018
x=0 because 0-9 = -9
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kalynn134
kalynn134
27-08-2018
4n-9=-9
+9 +9=0
4n=0
n=0
Answer Link
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