Question

a + c − 4b − c + a − b

Answer 1

Let us first rearrange the terms :
\(a + c - 4b - c + a -b\)
\(a + a + c -c - 4b - b\)

\((a+a) + (c-c) +(-4b - b)\)

Answer 2

Now what is : a + a ? @qasw ?

Answer 3

Simplify the following expression.
a + c − 4b − c + a − b

Answer 4

so what is a+a ? @qasw