SOLUTION: What is the inverse of (5x)/(8x+7)
Algebra
->
Inverses
-> SOLUTION: What is the inverse of (5x)/(8x+7)
Log On
Algebra: Inverse operations for addition and multiplication, reciprocals
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Inverses
Question 449298
:
What is the inverse of (5x)/(8x+7)
Answer by
nerdybill(7384)
(
Show Source
):
You can
put this solution on YOUR website!
start with:
y = (5x)/(8x+7)
switch the x and y:
x = (5y)/(8y+7)
solve for y:
x = (5y)/(8y+7)
x(8y+7) = (5y)
8xy+7x = 5y
7x = 5y-8xy
7x = y(5-8x)
7x/(5-8x) = y
.
So, the inverse is:
7x/(5-8x)