SOLUTION: Please help me find the solutions to the following problems: 8n+2-10n<20 5-4m+8+2m>-17 2x-3/5<7 Your helpis greatly appreciated!!

Question 161268This question is from textbook
: Please help me find the solutions to the following problems:
8n+2-10n<20
5-4m+8+2m>-17
2x-3/5<7
Your helpis greatly appreciated!! This question is from textbook

Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
8n+2-10n<20
-2N<20-2
-2N<18
N>18/-2 THE SIGN CGHANGES WHEN YOU DIVIDE BY A NEGATIVE VALUE.
N>-9 ANSWER.
PROOF:
LET N=-8
8*-8+2-10*-8<20
-64+2+80<20
82-64<20
18<20
-----------------------------
5-4m+8+2m>-17
-2M>-17-5-8
-2M>-30
M<-30/-2
M<15
PROOF:
LET M=14
5-4*14+8+2*14>-17
5-56+8+28>-17
41-56>-17
-15>-17
----------------------------------
i'LL LEAVE THE LAST ONE FOR YOU TO PRACTICE WITH.
2x-3/5<7

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