Answer:
6/7
Explanation:
welcome
y = 1
y - 3 = 7 (y - 9/7)
y - 3 = 7*y + 7*-9/7
y - 3 = 7y - 9
y - 7y = 3 - 9
-6y = -6
y = -6/-6
probe:
1 - 3 = 7(1 - 9/7)
-2 = 7*-2/7
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