Question 877361
Which do you mean by 

y=1/4x+4

y = (1/4)x+4, y = (1/4x)+4, or y=1/(4x+4)  ????

If you mean the first one then

{{{y = (1/4)x+4}}}

Substitute 4/x for y

{{{4/x = (1/4)x+4}}}

Multiply through by LCD = 4x

{{{16 = x^2 +16x}}}

{{{x^2+16x-16=0}}}

Solve with the quadratic formula

Edwin</pre>