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18 May, 23:38

Solve.

3d-e=7

d+e=5

Use the linear combination method.

A. There is no solution.

B. There are infinitely many solutions.

C. The solution is (2,-1)

D. The solution is (3,2)

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Answers (1)
  1. 19 May, 03:09
    0
    3d - e = 7

    d + e = 5 - - > add both : 4d = 12 so d = 3 and so : e = 2
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