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Answer:
30x -10y = -1
(A, B, C) = (30, -10, -1)
Step-by-step explanation:
We can multiply by 10 to clear the fraction:
70y = 210x +7
Now, we can remove a common factor of 7 from the coefficients:
10y = 30x +1
Subtracting 10y+1 puts this in standard form.
30x -10y = -1
The coefficients are A=30, B=-10, C=-1.
