Assuming there are X students and Y pencils, we can get the equation from the question:

5x+4=y 1 formula

6*(x- 1)+2=y 6x-4=y 2 formula

From formula 2-1, we get: x-8=0 x=8.

Y=5*8+4=44。

So there are 8 students and 44 pencils.