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31 December, 12:41

3

x

+

y

=

-

14

4

x

+

4

y

=

-

16

+1
Answers (1)
  1. 31 December, 12:52
    0
    y=1

    x=-5

    Step-by-step explanation:

    3x+y=-14

    4x+4y=-16

    y=-3x-14

    4x+4y=-16

    y=-3x-14

    4 (-3x-14) + 4x=-16

    y=-3x-14

    -8x-56=-16

    y=-3x-14

    -8x=40

    y=-3x-14

    x=-5

    y=1

    x=-5
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