[tex]\text{Combining like terms means that you combine the terms that are}\\\text{the same}\\\\\text{In the expression, you can see 7 and -10 are the same term, so you would}\\\text{combine them}\\\text{You can't combine them with 8n, since the 8 has the term of n}\\\\\text{Combine like terms:}\\7 + 8n - 10\\\\\boxed{8n-3}[/tex]
