решите уравнение; 1 ) х/6,2 =5,25 ; 2 ) х+0,7/2,6 =

2)) Х+0,7/2,6=4 1/2;Х+ 7/10: 26/10= 4 1/2; Х+ 7/10 10/26= 4 1/2Х+7/26= 4 1/2; Х= 4 1/2- 7/26; Х= 4 (113)/(213)- 7/26; Х= 4 13/26- 7/26; Х= 4 6/26= 4 3/13; Проверка 4 3/13+ 0,7/2,6= 4 3/13+ 7/10: 26/10= 4 3/13+ 7/10 10/26= 4 3/13+ 7/26= 4 (32)/(132)+ 7/26= 4 6/26+ 7/26= 4 13/26= 4 1/2.

Решение данного задания

х/6,2 =5,25

x=5.25*6.2

x=32.55

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х+0,7/2,6 = 4 1/2

x=9/2 - 7/26

x=117-7/26

x=110/26

x=55/13