what's the equation for the inverse

Question

y=-5x-7 I dont understand how to slove this problem and I really need help.

Answer 1

We switch places with x and y.

 

y = -5x - 7

 

becomes

 

x = -5y - 7

 

 

Solve for y.

 

7 + x = -5y

 

(-1/5)x - (7/5) = y