SOLUTION: I am so confused on how to do this. Please Help! Find all numbers for which the rational expression is undefined: 9/5x+1

Question 557743: I am so confused on how to do this. Please Help!
Find all numbers for which the rational expression is undefined:
9/5x+1

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
For the expression to be undefined, it is necessary for the denominator be equal to zero.
Set the denominator equal to zero and solve for x.
Subtract 1 from both sides.
Divide by 5.

For the expression is undefined.
Substitute
= Undefined!
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