Question

a + 3b - 2c - 4a + c - 5b + 2a + b - 2c - 5a + 10b + 4c - a + 2c - 3c + a​

Answer 1

Respuesta:

$a + 3b - 2c - 4a + c - 5b + 2a + b - 2c - 5a + 10b + 4c - a + 2c - 3c + a = - 6a + 9b \\ \\ a - 4a+ 2a - 5a- a + a = - 6a \\ 3b - 5b+ b+ 10b = 9b \\ - 2c + c - 2c + 4c + 2c - 3c = 0$

espero ayudar ❤