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11 September, 12:07

For the following system of equations, what is the x-value of the solution?

-x+2y=6

6y=x+18

A-) - 18

B-) 0

C-) - 6

D-) 3

+2
Answers (2)
  1. 11 September, 13:32
    0
    -x + 2y = 6

    6y = x + 18

    Let's rewrite these equations.

    -x + 2y = 6

    6y - x = 18

    If we multiply the second equation by - 1 we can add both of them.

    -x + 2y = 6

    -6y + x = - 18

    Add:

    -x + (-6y) + 2y + x = 6 + (-18)

    2y - 6y + x - x = 6 - 18

    -4y = - 12

    y = - 12/-4

    y = 3

    Substitute y in the equation:

    -x + 2y = 6

    -x + 2.3 = 6

    -x + 6 = 6

    -x = 6 - 6

    -x = 0

    x = 0

    Option B.
  2. 11 September, 15:34
    0
    The answer is c it was - 6+2y
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Home » Mathematics » For the following system of equations, what is the x-value of the solution? -x+2y=6 6y=x+18 A-) - 18 B-) 0 C-) - 6 D-) 3
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