He is just tuning her out? and this is not really a math question make sure you put your questions under the right topic.
1/3x +4 should be your answer
i dont know what the x + 4 + 4x + 3 means...
but by the words, it should be 1/3x + 4
hope this helps
This you answer x=-1/5y+-4/5
http://www.mathpapa.com/algebra-calculator.html
If 40 people were surveyed then it is reasonable