Answer:
c = 2 or c = -2
Step-by-step explanation:

Hope this helps.
Answer:
Step-by-step explanation:
<h3>sorry butt can you tell me what you need help with</h3>
TeX rendering has been iffy at best on this site for the past few days, at least in my experience. I've attached a solution below.
No x does NOT equal 16. you would substitute x for 16 which gives you 16+12. That equals 28 not 30. The correct answer is x=18