V. Suppose that a and b are integers, a = 7 (mod 19), and b = 5 (mod 19). Find the integer c with 0 sc s 18 such that: 12. (а — b) %3с тоd 19 13. (7а + 3b) %3D с тоd 19 14. (2a? + 3b²) = c mod 19 15. (а3 + 4b3)%3D с тоd 19

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Q: V. Suppose that a and b are integers, a = 7 (mod 19), and b = 5 (mod 19). Find the integer c with 0…

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