Multiple Choice
Find all positive solutions for the equation.
-x≡ 4 (mod 7)
A) {4, 8, 12, ...}
B) {4, 11, 18, ...}
C) {1, 18, 25, ...}
D) {11, 18, 91, ...}
Correct Answer:

Verified
Correct Answer:
Verified
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