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23 May, 16:01

3x-5y=10

-3x-4y=35

Find the Solution set. Solve the system using addition method?

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Answers (1)
  1. 23 May, 19:47
    0
    Hello:

    3x-5y=10 ... (1)

    -3x-4y=35 ... (2)

    using addition method (1) + (2) : - 9y=45 y=-6

    subst in (1) : 3x-5 (-6) = 10

    3x=40

    x=40/3
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