SOLUTION: Solve by using the addition method:
x + y = 7
x - y = 9
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Question 320832: Solve by using the addition method:
x + y = 7
x - y = 9
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
You posted a lot of problems.
You try them, send your work via the Thank You note.
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Doing your work is not tutoring.
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