Bobosharif S. answered 05/05/18
Tutor
4.4
(32)
Mathematics/Statistics Tutor
x-9=y
2(x+y)=10
x-y=9
x+y=5
x=7
y=-2
EBONY L.
asked 05/05/18
Bobosharif S. answered 05/05/18
Mathematics/Statistics Tutor
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