If 4x + y = 8 and 3x-4y = 5, then what is the value of 7x - 3y?  Answers.
A) 23
B) 3
C) 15
D) 52 / 7
E) 60 / 7

Rationale: 4 x + y = 8 . . . equation 1 3 x - 4 y = 5 . . . equation 2 adding both the equations 7 x - 3 y = 23 correct answer option a
Answer: A