+0  
 
+5
400
1
avatar

-1 - -50

 Nov 1, 2015
 #1
avatar
+5

Simplify the following:
-1--50

-(-50)  =  50:
-1+50

-1+50 = 49:
Answer: | 
| 49

 Nov 1, 2015

1 Online Users