Patrick B. answered 12/23/18
Tutor
4.7
(31)
Math and computer tutor/teacher
x+y = 7
x-y = 11
2x = 18
x=9
9 and -2
Oluwa O.
asked 12/17/18I really don't know how to do this one can you please help me
Patrick B. answered 12/23/18
Math and computer tutor/teacher
x+y = 7
x-y = 11
2x = 18
x=9
9 and -2
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