+0  
 
+1
21
1
avatar+94 

 (-23- -5) + 3- -20

 
jeezyj  Sep 16, 2018
 #1
avatar
+1

Simplify the following:
-23 - -5 + 3 - -20

Multiply -1 and -5 together.
-(-5) = 5:
-23 + 5 + 3 - -20

Multiply -1 and -20 together.
-(-20) = 20:
-23 + 5 + 3 + 20 

Evaluate 5 + 3 + 20 using long addition=28

Subtract 23 from 28.
  =5

 
Guest Sep 16, 2018

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