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January 2020
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-3•(a-4)-3|5=-2(3a-1)
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BabiG
Técnica do chuveirinho
-3.(a-4)- 3/=-2(3a-1)
-3a + 12 - 3/5 = -6a +2
-3a+6a= 2-12+ 3/5
3a= -10 + 3/5 ( denominador comum = 5)
3a= 17/5
a= 17/5 . 1/3
a= 17/15
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Thanks 1
john199
-3a+12-3/5=-6a+2
mmc- mínimo múltiplo comum=5
-15a+60-3=-30a+10
-15a+30a=-60+10+3
15a= -47
a=-47/15
0 votes
Thanks 1
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Lista de comentários
-3.(a-4)- 3/=-2(3a-1)
-3a + 12 - 3/5 = -6a +2
-3a+6a= 2-12+ 3/5
3a= -10 + 3/5 ( denominador comum = 5)
3a= 17/5
a= 17/5 . 1/3
a= 17/15
mmc- mínimo múltiplo comum=5
-15a+60-3=-30a+10
-15a+30a=-60+10+3
15a= -47
a=-47/15