Respuestas

2013-09-05T00:52:12+02:00

 2x=4 - 20
2x=-16
x= -8


x = 10 -3
x= 7


3x=11
x=11/3


 4 = 2x - 6x
 4 = -4x
 -1=x


8x+6=11
8x= 5
 x =5/8


18x-6=23*3
18x-6=69
18x=63
 x = 7/2


8x=8
x=1


x- 48 = 12*3
x=36+48
x=84


 x = 13/26
x= 1/2


2/3x+2/3=4
2/3x=4-2/3
2/3x=10/3
2x=10
x=5


13+8x=12*4
8x=48-13
8x=35
x=35/8