Answer:all of them are good answers check all of them
Explanation:
You need to put both equations equivalent to themselves I.E. (5x-15)=(4x+15)
then just do it as a regular problem
so add 15 to both sides and you get (5x)=(4x+30) there for x=30
<span>Literature would use MLA formatting.</span>
I'm pretty sure it's c because it is often referring to journalists.
