Which of the following is the value of x in the system of equations shown below?

9514 1404 393

  (4)  x = 15

Step-by-step explanation:

Twice the second equation can be added to the first.

  (x +2y) +2(x -y) = (37) +2(4)

  3x = 45 . . . . . . . simplify

  x = 15 . . . . . . . . . divide by 3

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step-by-step explanation:

one set of data has more variation than the other. hope this !