Respuesta :

The diagonals in parallelogram bisect each other.
M P = O P
2 x - 1 = 3 x - 4
2 x - 3 x = - 4 + 1
- x = - 3
x = 3
OP = 3 x - 4 = 3 * 3 - 4 = 9 - 4 = 5
Answer:  OP = 5