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2014-03-12T20:58:09-03:00
3y-10=16
3y=16+10

3y=26

y=26/3

y= 8,6
1 5 1
2014-03-12T20:59:02-03:00
3y=16+10
3y=26
y=26
    3
y=8,666...
1 5 1