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OpenStudy (anonymous):
I have no idea (the slashes are fractions.) 1/2(16-4a) - 3/4(12+20a)
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hero (hero):
Multiply the first fraction by 2/2
hero (hero):
You'll have 2/4(16-4a) - 3/4(12+20a) Then combine them together to get -1/4(16-4a + 12 + 2a)
hero (hero):
Add like terms for (16 + 12 + 2a - 4a)
hero (hero):
@darrbreezy are you following
OpenStudy (anonymous):
\[\frac{ 1 }{ 2 }(16-4a) - \frac{ 3 }{ 4 }(12+20a)\] no it looks like this @larryboxaplenty
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OpenStudy (anonymous):
when i add is it 30? @moderator
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