(10n-5)/(5)= 2n-1
just divide
10/5 = 2 and -5/5 =-1
and you get the answer
2n-1= 2n-1
8x - 3/x
x = 1/2
(8 • 1/2) - 3/0.5
4 - 1.5
2.5
Answer:

Step-by-step explanation:
−2|x| < −8 ↷
−2x > 8 −2x < −8
___ __ ___ ___
−2 −2 −2 −2
OR 
Whenever you multiply\divide by a <em>negative</em>, you reverse the inequality symbol.
I am joyous to assist you anytime.
Answer:
Step-by-step explanation:
4x-8<5x+4
4x<5x+12
-x<12
flip sign
x > -12