How do you solve $15 a + 6 b - 12 a - 8 b$ $15a + 6b - 12a - 8b$ ?

Question

1978 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-07-23T15:37:34

$= 3 a - 2 b$ $=color(blue)(3a -2b$

The expression can be simplified by grouping like terms:

$15 a + 6 b - 12 a - 8 b$ $15a +6b -12a -8b$

$= (15 a - 12 a) + 6 b - 8 b$ $=color(blue)((15a-12a)) +6b -8b$

$= 3 a - 2 b$ $=color(blue)(3a -2b$

How do you solve 15a+6b−12a−8b15a + 6b - 12a - 8b?