Question

Simplify a + 2c - 5b - c + a - b

Answer 1

Hint put the a's b's and c's together:

a + a -5b - b + 2c - c

then take out the common parts of each letter :

(1 + 1)a - (5 + 1)b + (2 - 1)c

Then add or subtract:

(2)a - (6)b + (1)c

Simplify:
2a - 6b + c

Answer 2

Alright, I got the same thing.

Answer 3

There's a proper step by step process to it, which I have shown. Do it this way to minimize mistakes