Respuesta :
Welcome to Brainly.
To start out the problem, remove the parentheses.
[tex]2a - 3b + c - 4a - 7b - c - 3\\ (2a -4a) + (-3b - 7b) + (c - c) - 3\\\boxed{-2a - 10b - 3]}[/tex]
Welcome to Brainly.
To start out the problem, remove the parentheses.
[tex]2a - 3b + c - 4a - 7b - c - 3\\ (2a -4a) + (-3b - 7b) + (c - c) - 3\\\boxed{-2a - 10b - 3]}[/tex]