Respuesta :
					                   4n - 9 = -9
+9 +9
4n = 0
/4 /4
n = 0
does it work? plug to find out
4(0) - 9 = -9
0-9 = -9
-9=-9
					                
					             +9 +9
4n = 0
/4 /4
n = 0
does it work? plug to find out
4(0) - 9 = -9
0-9 = -9
-9=-9
					                   First brink the -9 over to the other side of the equal sign
4n-9=-9
+9=+9
4n=0
Second you would divide the coefficient which is 4 by both sides
4n=0
———
4 =4
N= 0
					                
					             4n-9=-9
+9=+9
4n=0
Second you would divide the coefficient which is 4 by both sides
4n=0
———
4 =4
N= 0
 
			                   
					                  