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4 May, 18:45

Use elimination to solve the system

6x-4y=6

-6+3y=0

A. (5,6)

B. (-3,-6)

C. (1,0)

D. (4,-8)

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Answers (1)
  1. 4 May, 21:51
    0
    B. (-3, - 6)

    Step-by-step explanation:

    (1) 6x - 4y = 6

    (2) - 6x + 3y = 0 Add (1) and (2)

    -y = 6 Multiply each side by - 1

    y = - 6 Substitute in (2)

    -6x + 3 (-6) = 0 Remove parentheses

    -6x - 18 = 0 Add 18 to each side

    -6x = 18 Divide each side by - 6

    x = - 3

    The solution is (-3, - 6).
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