SOLUTION: How is it solved? 8-4(a+1)=9+a

Algebra ->  Signed-numbers -> SOLUTION: How is it solved? 8-4(a+1)=9+a      Log On


   

Question 761047: How is it solved? 8-4(a+1)=9+a
Answer by farah(18) About Me  (Show Source):
You can put this solution on YOUR website!
8-4(a+1)= 9+a
8-4a-4= 9+a
4-4a= 9+a
-5 = 5a
-1 = a
a= -1
thanx