(3b-2c) -(6c+2b)-(b+c)
To simplify the expression, let's distribute the negative sign to each term inside the parentheses:
-(3b-2c) + (-(6c+2b)) - (b+c)
This gives us:
-3b + 2c - 6c - 2b - b - c
Now, let's group like terms:
(-3b - 2b - b) + (2c - 6c - c)
This simplifies to:
-6b - 5c