contestada

Remove the parentheses from the following expression, and combine like terms: (a + b - c) + 3a - 2c

Respuesta :

Answer:

4a + b - 3c

Step-by-step explanation:

you combine a and 3 a, there is nothing to add to be, and since both c's are negative you get - 3c

Answer:

4a + b - 3c

Step-by-step explanation: