Answer:
4x
Step-by-step explanation:
It would be 4x because you have no value given of the variable "X"
therefore, your answer would just be adding the x to the 4 making it 4x
hope this helped!
It is a polyhedron (i think)
Answer: A
Step-by-step explanation:
X/43 - 87= -75
the unknown number = 516
