Answer:
the first one
Step-by-step explanation:
The correct one is the one in the top left corner.
A great website to find out things like this is
https://www.mathpapa.com/algebra-calculator.html
The answer would be 23 even though that is not one of the answer choices
Write the folowing in standard form and you well get
#1 is 5b
#2 is b−8x+<span>4</span>
I’d say 6 I’m not very sure