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15 June, 05:24

X-7y=3

8x+7y=6

9x = ?

+2
Answers (2)
  1. 15 June, 07:19
    0
    9

    Step-by-step explanation:

    x-7y=3

    8x+7y=6

    We will be doing the elimination process, and since there is - 7y and 7y, we can cancel them.

    x=3

    8x=6

    add

    9x=9

    x=1
  2. 15 June, 08:00
    0
    8x = 6 - 7y

    x = 7y + 3

    9x = 6 - 7y + 7y + 3 = 9
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