Respuestas

2013-04-09T23:02:43+02:00

2x + 4/7 = 3x + 5/2

 

2x - 3x = 5/2 - 4/7

 

-x = 27/14

 

x= (-1)x 27/14

 

x = -17/14

 

Saludos

2013-04-09T23:25:23+02:00

2x+4/7=3x+5/2

4/7 - 5/2 = 3x -2x :::::::::::::::::::::mcm de [2;7] = 14

[(8) - (35)] /14 = x

x= -27/14