+0  
 
0
54
2
avatar

help!simplify 

-3(a-7)+4a

PLEASE!!!!!!! ANYONE!!! isit 1a-21?? or+

 Feb 18, 2020
edited by Guest  Feb 18, 2020
edited by Guest  Feb 18, 2020
 #1
avatar+109740 
+1

-3 ( a - 7)  +  4a

 

-3a  + 21  + 4a

 

a + 21

 

 

cool cool cool

 Feb 18, 2020
 #2
avatar
+1

thanks

 Feb 18, 2020

52 Online Users

avatar
avatar
avatar
avatar
avatar
avatar