SOLUTION: what is the inverse of y=5x+20

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: what is the inverse of y=5x+20       Log On


   



Question 1007279: what is the inverse of y=5x+20

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
To find an inverse, we switch x and y and solve for y again, so from
y = 5x + 20
we switch and get
x = 5y + 20
x - 20 = 5y
y = (1/5)x - 4