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10 December, 00:13

What is the y-coordinate of the solution of the system of equations?

{y=2x+14

-4x-y=4

Enter your answer in the box.

y =

+5
Answers (2)
  1. 10 December, 01:50
    0
    Substitute 2x + 14 for y in - 4x - y = 4:

    -4x - (2x + 14) = 4

    -4x - 2x - 14 = 4

    -6x - 14 = 4

    -6x = 18

    x = - 3

    Substitute - 3 for x in y = 2x + 14 and - 4x - y = 4:

    y = 2 (-3) + 14 - - > y = - 6 + 14 - - > y = 8

    -4 (-3) - y = 4 - - > 12 - y = 4 - - > - y = - 8 - - > y = 8

    So y = 8
  2. 10 December, 03:45
    0
    3

    320 cause of the x spot
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