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20 December, 21:41

Solve using elimination.

- 8x + 2y = - 20

8x - 5y = 14

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Answers (1)
  1. 20 December, 22:04
    0
    x = 3, y = 2

    Step-by-step explanation:

    ~ Through process of elimination ~

    1. - 8x + 2y = - 20

    + 8x - 5y = 14

    2. Simplify to solve for y through simple algebra:

    2y - 5y = - 20 + 14 ⇒ - 3y = - 6 ⇒ y = 2

    3. Now substitute this value of y into the to equation - 8x + 2y = - 20 to get x:

    - 8x + 2 (2) = - 20 ⇒

    -8x + 4 = - 20 ⇒

    -8x = - 24 ⇒

    x = 3
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