SOLUTION: what are the rules divisible by 7 and it's numbers which can be divisible

Question 484804: what are the rules divisible by 7 and it's numbers which can be divisible
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

take the last digit, double it, and subtract it from the rest of the number;
if the answer is divisible by (including 0), then the number is also.
ex:
the number is

ake the last digit , double it () , and subtract it from the rest of the number
the is divisible by ...-> (including 0),
then the number is also divisible by

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