Arrange 2+ 14rt - 5(r+rt) + 6r - 3 in columns:
2+ 14rt => 2 + 14 rt
- 5(r+rt) => - 5rt -5r
+ 6r - 3 => -3 +6r
Now combine like terms: -1 + 9rt + r (answer)
-1 + 9rt + r hae a good day
8.1m questions
10.8m answers