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21 March, 17:54

Rodney is given two linear equations: x - y = 11 and 2x + y = 19. What value of x should he get as a solution for this system of linear equations?

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  1. 21 March, 20:05
    0
    The answer would be 10, just got this right
  2. 21 March, 21:52
    0
    Add the two equations and solve for x.

    x-y=11 ... (1)

    2x+y=19 ... (2)

    (1) + (2)

    x+2x-y+y = 11+19

    3x=30

    x=10 (answer)
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