I think it is 9. But I am not sure if I am correct on it though.
In a rhombus, all sides are equal.
So for the quadrilateral MNOP to be a rhombus, the given sides have to be equal. THat is


Adding 3x to both sides and addinf 7 to both sides

Now we need to get rid of 7 and for that we do division, that is


Correct option is the second option .
Answer:
Step-by-step explanation:
A: 2x = 3
B: w+1.3 = 2.7
C: 3y = 5.1
D: z+⅓ = ½
Answer:
answer mine please
Step-by-step explanation: