Answer:
9x-4
Step-by-step explanation:
add 5x and 4x
9x-3-1
subtract 1 from -3
9x-4
I believe the answer Is 35. I remember there bing some rule about it. I hope this helps and I’m sorry if I confused you my brain is a little fried.
So,
In order to simplify a fraction, we have to factor both the numerator and the denominator.

Cross out ones.
<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em>⤴</em>
<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>