suppose that a and b are integers, $$a \equiv 4 ( \bmod 7 ) , \text { and } b \equiv 6 ( \bmod 7 ) . \text { Find the integer } c \text { with } 0 \leq c \leq 6$$ such that
-$$c \equiv 3 a ( \bmod 7 )$$

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The Answer of suppose that a and b are integers, $$a \equiv 4 ( \bmod 7 ) , \text { and } b \equiv 6 ( \bmod 7 ) . \text { Find the integer } c \text { with } 0 \leq c \leq 6$$ such that
-$$c \equiv 3 a ( \bmod 7 )$$

Suppose That a and B Are Integers a≡4( mod 7), and b≡6( mod 7). Find the integer c with 0≤c≤6a \equiv 4 ( \bmod 7 ) , \text { and } b \equiv 6 ( \bmod 7 ) . \text { Find the integer } c \text { with } 0 \leq c \leq 6a≡4(mod7), and b≡6(mod7). Find the integer c with 0≤c≤6

Suppose That a and B Are Integers $a \equiv 4 ( \bmod 7 ) , \text { and } b \equiv 6 ( \bmod 7 ) . \text { Find the integer } c \text { with } 0 \leq c \leq 6$