When the positive integer n is divided by 7,the quotient is q and the remainder is 4. When 2n is divided by 7,the remainder is 1 and the quotient,in terms of q,is
When the positive integer n is divided by 7,the quotient is q and the remainder is 4. When 2n is divided by 7,the remainder is 1 and the quotient,in terms of q,is