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2014-09-28T14:13:47+03:00
60:(3y+2)=12
3y+2=60:12
3y=30-2
3y=28
y=9,(3)
1-3(8x-4)=1
1-24x+12=1
24x=12
x=2
1605+4(3-x)=2011
1605+12-4x=2011
4x=-394
x=-98,5