simplify this
2a+3b-c+(a-b-c)-(2a-4b+3c)
To simplify the expression 2a + 3b - c + (a - b - c) - (2a - 4b + 3c), we can follow these steps:
1. Remove the parentheses:
2a + 3b - c + a - b - c - 2a + 4b - 3c.
2. Combine like terms:
(2a - 2a) + (a) + (3b + 4b - b) + (-c - c - 3c).
The above expression simplifies to:
0a + 4b + (-5c).
Since any term multiplied by zero is zero, we can simplify further:
0a can be eliminated, and (-5c) can be written as -5c:
4b - 5c.
Therefore, the simplified expression for 2a + 3b - c + (a - b - c) - (2a - 4b + 3c) is 4b - 5c.