27-10-2016
Mathematics

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-1/2(7z+4)+1/5(5z-15)

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texaschic101 texaschic101

27-10-2016

-1/2(7z + 4) + 1/5(5z - 15) =
-7/2z - 2 + z - 3 =
-7/2z + 2/2z - 5 =
-5/2z - 5

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