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31 October, 05:31

What is the value of y in the solution to the following system of equations?

2x + y = - 4

5x + 3y = - 6

Answer for Blank 1:

+2
Answers (1)
  1. 31 October, 05:58
    0
    2x + y = - 4 5x + 3y = - 6

    y = - 4 - 2x

    substitute y=-4-2x into 5x+3y=-6

    5x + 3 (-4-2x) = - 6

    5x - 12 - 6x = - 6

    -x=6

    x=-6

    sub x=-6 into 2x+y=-4

    -12 + y = - 4

    y=8

    x=-6 and y=8
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