if 4 x + y = 8 and 3 x - 4 y = 5 , then what is the value of 7 x - 3 y ?
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
add(add(8, 5), const_10)