Respostas

2013-11-18T18:57:19-02:00
A)2x=-6
x=-6/2 x= -3

b)-5x=50
x=50/-5 x=10

c)-5x=-10
x=-10/-5 x= 2


2013-11-18T18:57:28-02:00
A) 2x= -6
x= -6/2
x= -3

b) -5x=50
x= 50/-5
x= -10

c)-5x= -10
x= -10/-5
x= 2
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