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Lisaneedham:
What is the solution to this system of linear equations? x + y = 4 x − y = 6 A. (4, 6) B. (6, 4) C. (5, −1) D. (−1, 5)
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justus:
Add the two equations then you will get 2x = 10
justus:
Simplify to x = 5
justus:
best option would be (5,-1)
Lisaneedham:
thanks
justus:
No problem
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