Question

How to find the inverse of y = 3x + 5

Answer 1

1/3x -5/3

Explanation:

To find the inverse, exchange x and y and solve for y

y =3x+5

Exchange x and y

x = 3y+5

Solve for y

Subtract 5

x-5 =3y+5-5

x-5 = 3y

Divide by 3

1/3(x-5) = 3y/3

1/3x - 5/3 = y

The inverse is 1/3x -5/3