Question

How do you simplify `a + 5c − b − c + a − b`?

Answer 1

`=2a+4c-2b`

Explanation:

`a+5c−b−c+a−b`

Grouping like terms

`=color(blue)( a) + color(green)(5c) −color(red)(b)−color(green)(c)+color(blue)(a)−color(red)(b`

`=color(blue)(a+a) + color(green)(5c-c) color(red)(-b-b`
`=2a+4c-2b`