Saturday, January 18, 2014

ALGEBRA B14

Simplify 3a + 8r + 5a + 12r + 4a

Solution

= 3a + 8r + 5a + 12r + 4a


= (3a + 5a  + 4a) + (8r + 12r) [collecting the like terms]

= 12a + 20r (adding the like terms)



Hence 3a + 8r + 5a + 12r + 4a = 12a + 20r

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