help me plz i have 3 question 30 points

Question

kingnolacking56 kingnolacking56

12-01-2017
Mathematics

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help me plz i have 3 question 30 points

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what is the solution of the following system? x-y=11 -x+y=-11

MLPshine MLPshine · Answer 1 · 2017-01-12T17:26:30+01:00

MLPshine MLPshine

12-01-2017

Here're the answers!!! Good luck!!
1) a = -7 (The first picture -Left to right)
2) x = -39
3) a = -2.1 (The last picture left to right)

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