HELP PLEASEEEEE will choose brainiest answer

Answer:
15x -4 = 11x and 4x+5=9x
9 timees11 = 20x
Step-by-step explanation:
20x for first anwer
thank me later emmitheblackbobcat
Answer:
I can't understand the person above. but by looking at his results; they are equivalent to mine for this question.