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29 November, 17:15

Solve the following system of equations.

9x - 5y = 11

5x + 4y = - 21

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Answers (1)
  1. 29 November, 20:25
    0
    9x-5y=11

    Move all terms containing x to the left, all other terms to the right.

    now add 5y to each side and now it should look like this:

    9x + - 5y + 5y = 11 + 5y

    Now divide each side by 9 and the answer is ...

    Simplifying x = 1.222222222 + 0.5555555556y
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