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29 November, 21:04

How do i solve this 3x + y = 36

5x + y = 56

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Answers (1)
  1. 29 November, 21:33
    0
    x=10, y=6

    Step-by-step explanation:

    the send equation minus the first.

    (5x+y) - (3x+y) = 56-36

    2x=20--->x=10

    then put x=10 to the first equation, 3*10+y=36, get y=6
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