Challenge A
HINT #1
HINT #1
Hint #2
Hint #2
To get rid of fraction, multiply both sides of the equation by the denominator.
Hint #3
Hint #3
If you completely eliminate x and get a number = itself, for example 2 = 2, there are infinite solutions.
If you eliminate x and get a number = a different number, for example 3 = 5, there are no solutions.