C.
4 (x+7) = 38 represents the tape diagram correctly.
The anwser to the problem is C.
Zx because letters always have to line up woth each other c is place z and a is place x (i loved this unit )
Answer:

Step-by-step explanation:
Answer:
3/2x - 50 = 7
3/2x = 57
x = 38
Step-by-step explanation:
sorry if its wrong