Question

(11х+14)-(5х-8)=25

 

Answer 1

(11х+14)-(5х-8)=25

11x+14-5x+8=25

11x-5x=25-14-8

6x=3

x=0,5

Ответ: 0,5

Answer 2

(11х+14)-(5х-8)=25

11х+14-5х+8=25

11х-5х=25-8-14

6х= 3

х=3/6

х=0,5

проверка:

 (11*0,5+14)-(5*0,5-8)=25

19,5- (-5,5)=25

19,5+5,5=25

25=25