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6[4(8-y)-5(9+3y)]-21=-7[3(7=4y)-4]
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by arnold017 at June 12, 2010

pls show all steps.

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6(32-4y-45-15y)-21=-7(21+12y-4)6(-13-19y)-21=-7(17+12y)-78-114y-21=-119-84y-78-21+119=-84y+114y20=30y20/30=y2/3=y

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8521

gibby. June 13, 2010