Simplify 8a-11c+13b+3c-6a+5b

To simplify the expression 8a - 11c + 13b + 3c - 6a + 5b, we can combine like terms by adding or subtracting their coefficients.

First, adding the like terms with the same variables:

(8a - 6a) + (-11c + 3c) + (13b + 5b)

This simplifies to:

2a - 8c + 18b