<span>In a complex fraction, either the numerator, or the denominator, or both, is a fraction.</span>
Literally just plug it in
6(7) + 5(-4) - 42 = 0
42 -20 -42 = 0
-20 = 0
Not a solution.
Answer: 12 and 7
Step-by-step explanation:
The answer to the question is b