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1 February, 07:30

2x + 2y = 6. 5x + 2y = 4. Which of the following equations could be the result of multiplication and addiction to eliminate a variable in the system of equations?

A) 19x = 24

B) 19y = 22

C) 11y = 22

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Answers (2)
  1. 1 February, 07:37
    0
    C Is the correct answer
  2. 1 February, 07:46
    0
    2x+2y=6

    5x+2y = 4

    Multiply eq 1 by 5 and equation 2 by - 2

    10x+10y = 30

    -10x - 4y = - 8

    Now adding we get

    6y = 22

    Divide by 2

    3Y = 11
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