When positive integer x is divided by 9, the quotient is y and the remainder is 4. When 2x is divided by 7, the quotient is 2y and the remainder is 1. What is the value of 5y – x? Options:	A) -3	B) 3	C) -4	D) 4	E) -5
(1) x = 9y+4   (2) 2x = 14y+1   (2)-(1): x=5y-3   5y-x=3   The answer is 3.
<result>B</result>
When positive integer x is divided by 9, the quotient is y and the remainder is 4. When 2x is divided by 7, the quotient is 2y and the remainder is 1. What is the value of 5y – x?