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Determine Whether Each of the Following "Theorems" Is True or False

Question 121

True/False

determine whether each of the following "theorems" is true or false. Assume that a, b, c,
d, and m are integers with m > 1.
-  If a≡b( mod m), then 2a≡2b( mod m)\text { If } a \equiv b ( \bmod m ) \text {, then } 2 a \equiv 2 b ( \bmod m )

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