So sometimes rational functions are in equations. You can use all equation techniques. You can cross multiply ONLY in equations.
Example
State restrictions:
Solve:
So sometimes rational functions are in equations. You can use all equation techniques. You can cross multiply ONLY in equations.
3x−54=4
State restrictions: x=35
Solve: 4=4(3x−5) 1=3x−5 6=3x x=2