SOLUTION: Solve by using the addition method: x + y = 7 x - y = 9

Algebra ->  Graphs -> SOLUTION: Solve by using the addition method: x + y = 7 x - y = 9      Log On


   

Question 320832: Solve by using the addition method:
x + y = 7
x - y = 9
Answer by Alan3354(69443) About Me  (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.
--------------
Doing your work is not tutoring.