`(1).(x+4)/3=19/22` `(2).x+12/6=17/2+1/2`

2 bình luận về “`(1).(x+4)/3=19/22` `(2).x+12/6=17/2+1/2`”

1. (1)

   (x+4)/3=19/22

   (x+4)xx22=19xx3

   (x+4)xx22=57

   x+4=57:22

   x+4=57/22

   x=57/22-4

   x=57/22-88/22

   x=57/22+(-88)/22

   x=(-31)/22

   Vậy x=(-31)/22

   (2)

   x+12/6=17/2+1/2

   x+2=17/2+1/2

   x+2=9

   x=9-2

   x=7

   Vậy x=7

   \color{green}{\text{~Bachira~}}

   Trả lời
2. 1) (x+4)/3=19/22

   =>(x+4)xx22=3xx19

   =>(x+4)xx22=57

   =>x+4=57/22

   =>x=57/22-4

   =>x=(-31)/22

   Vậy x=(-31)/22

   (2) x+12/6=17/2+1/2

   =>x+2=9

   =>x=9-2

   =>x=7

   Vậy x=7

   Trả lời