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

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Answer 1 · 2015-09-07T12:30:35

$=2a+4c-2b$

$a+5c−b−c+a−b$

Grouping like terms

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

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

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