-9 or 9 b. is the correct answer. First you had to divide by 5 from both sides of equation, and it gave us, [tex]\frac{5|x| }{5}=\frac{45}{5}[/tex]. And then simplify, and it gave us, [tex]|x|=9[/tex], or and it gave us the answer is x=-9, or x=9. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie