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1 October, 16:03

7) Solve the following system by the substitution method. Check the solution (s).

5x + y = 28

y = 2 - x

+3
Answers (2)
  1. 1 October, 16:11
    0
    Simply substitute the second equation into the y of the first equation. And then solve. The answer should be 6.6
  2. 1 October, 17:55
    0
    Answer: x=13/2, y=-9/2
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