Respuesta :
since it is a rectangle, the 2 oposite sides must be equal length
AC and BD do not share a point so they are oposite
therefor
2y+7=3y-4
solve
minus 2y both sides
7=y-4
add 4
11=y
AC and BD do not share a point so they are oposite
therefor
2y+7=3y-4
solve
minus 2y both sides
7=y-4
add 4
11=y