Question 1081578
{{{y=(10-3x)/(8x)}}}
Interchange x and y and solve for y.
The new y is the inverse.
{{{x=(10-3y)/(8y)}}}
{{{8xy=10-3y}}}
{{{8xy+3y=10}}
{{{y(8x+3)=10}}}
{{{y=10/(8x+3)}}}
{{{f^(-1)=10/(8x+3)}}}

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*[illustration r5t.JPG].