+0  
 
+1
1129
2
avatar+5 

The difference of twice the number t and 30?

 Jun 20, 2018
 #1
avatar+37153 
0

2t-30

 Jun 20, 2018
 #2
avatar+239 
+1

The difference of twice the number t and 30 equals 2t - 30

 Jun 20, 2018

1 Online Users