Respostas

2014-08-25T17:34:33-03:00
Equações
a) x - 17 = -9                                                               

b) 2x = -7                                                                   

c) 3x + 2 = 2x - 11                                                      

d) 2x = 16                                                                  

e)    = -5                                                                    
     2
                   
 f)  2x + 14  = 5x - 1                                                    

g) 4x - 5 = 6x + 11                                                     

h) 5x + 4 - 2x = 26 - 3x                                                 

i) 5m - 7 - 2m - 2 = 0