Respostas

2013-10-30T19:31:05-02:00
-3x + 10 = V25

-3x+10=5

-3x= 5 -10

-3x= -5

x= 5/3

2013-10-30T20:38:37-02:00
-3x+10=5
-3x=5-10
-3x=-5
x=-5/-3
x=5/3