
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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August 26th, 2018, 05:16 AM  #1 
Newbie Joined: Aug 2018 From: Ohio Posts: 1 Thanks: 0  Subtract Integers 7 grade
I don't understand this problem because my teacher didn't explain it. $\displaystyle 128$ Can someone explain? 
August 26th, 2018, 07:38 AM  #2 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,291 Thanks: 1023 
n means absolute value of number n. Example: 5 = 5 = 5 
August 27th, 2018, 05:15 AM  #3 
Banned Camp Joined: Jul 2018 From: INDIA Posts: 93 Thanks: 0 
Hello Sir the answer will be 5 
August 27th, 2018, 08:04 AM  #4 
Global Moderator Joined: Dec 2006 Posts: 20,469 Thanks: 2038 
12  8 = 12  8 = 4

August 29th, 2018, 04:45 AM  #5 
Senior Member Joined: May 2016 From: USA Posts: 1,310 Thanks: 551  

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