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25 September, 00:27

Name the y value of the solution to the system of equations.

Use substitution:

-4x + y = 6

-5x - y = 21

+3
Answers (1)
  1. 25 September, 02:27
    0
    Y = 4x + 6 and y = - 5x - 21;

    4x + 6 = - 5x - 21;

    9x = - 27;

    x = - 3;

    y = - 6;
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