Question: Suppose that a and b are integers, a - = 1 1 ( m o d 1 9 ) , and b - = 3

Suppose that a and b are integers, a-=11(mod19), and b-=3(mod19).
Find the integer c with 0c18 such that:
a)c-=13a(mod19).
b)c-=8b(mod19).
c)c-=a-b(mod19).
d)c-=7a+3b(mod19).
e)c-=2a2+3b2(mod19).
Suppose that a and b are integers, a - = 1 1 ( m

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