simplify

6a+10c+8b-7-c-2b+4a

10a + 6b + 9c - 7

To simplify the expression 6a + 10c + 8b - 7 - c - 2b + 4a, we can combine like terms.

First, let's group the terms with the same variables together:

(6a + 4a) + (10c - c) + (8b - 2b) - 7

Combine the like terms within each group:

10a + 9c + 6b - 7

So, the simplified form of the expression 6a + 10c + 8b - 7 - c - 2b + 4a is 10a + 9c + 6b - 7.