18-08-2015
Mathematics

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simplify 1/3 (9a+b) - 1/2 (4a+2b)

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18-08-2015

1/3(9a+b)−12(4a+2b)

Distribute:

=(1/3)(9a)+(1/3)(b)+−2a+−b

=3a+1/3b+−2a+−b

Combine Like Terms:

=3a+1/3b+−2a+−b

=(3a+−2a)+(1/3b+−b)

=a+−2/3b

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