Question

Add the two expression

-2.4n-3and-7.8n+2

Answer 1

You have to combine like terms so you have to add -2.4n and -7.8n which will give you -10.2n. Then you need to combine the -3 and 2 which will give you -1. So you will end up with
-10.2n - 1

Hope that helps!