Respuestas

2012-06-06T05:05:17+02:00

para la ecuacion 1:49x-105+16x=48x-301-8

 

17x=204

x=12

 

para la segunda:

 

113x+16-14x=-12+27x+19

100x=-9

x=-9/100

 

3ra:

2x+6=5x-15

3x=21

x=7

2012-06-06T05:33:56+02:00

 49x-105+16x=48x-301-8

x=-12

113x+16-14x=-12+27x+19

x=-1/8

2(x+3)=5(x-3)

x=7