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10 November, 10:10

Eliminate the y in the following system of equations. What is the result when you add the two equations?

x+y=2

3x-4y=27

+3
Answers (2)
  1. 10 November, 10:22
    0
    Step-by-step explanation:

    4x=29

    X=29/4
  2. 10 November, 10:24
    0
    Step-by-step explanation:

    To eliminate y we multiply first equation by 4 then add it to the second equation:

    4 * (x+y) = 2 ➡ 4x + 4y = 8 4x + 4y + 3x - 4y = 8 + 27 ➡7x = 35 ➡x = 5 Replace x with the value we found to calculate the value of y : x + y = 2➡5+y = 2 ➡y = - 3
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