28 August, 08:17
5a + 2 (a + b) a=4 b=2
28 August, 08:28
32 is the correct answer ...
5a + 2 (a + b)
5 (4) + 2 (4 + 2)
20 + 2 (6)
20 + 12
28 August, 10:14
first plug in the variables since they already give it to you
distribut first so it would be
and combine like terms
then just add
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