+0  
 
+5
455
1
avatar

2a-3a=6-7a

 Oct 2, 2015
 #1
avatar
+5

2a-3a=6-7a

-a=6-7a

-a+7a=6

6a=6

a=6/6

a=1

 Oct 2, 2015

1 Online Users

avatar