(63-5х)*6 = 663-5х = 1-5х = 1 - 63-5х = -62x = -62 / (-5)x = 12.4
(38-95)/7 = 133-57/7 = 133-8.142 = 133Уравнение не имеет решения.
15*(53-8х) = 75795-120х = 75-120х = 75 - 795-120х = -720x = -720 / (-120)x = 6
(6х-29)*8 = 10448х - 232 = 10448х = 104 + 23248х = 336x = 336 / 48x = 7.
(63-5х)*6 = 6
63-5х = 1
-5х = 1 - 63
-5х = -62
x = -62 / (-5)
x = 12.4
(38-95)/7 = 133
-57/7 = 133
-8.142 = 133
Уравнение не имеет решения.
15*(53-8х) = 75
795-120х = 75
-120х = 75 - 795
-120х = -720
x = -720 / (-120)
x = 6
(6х-29)*8 = 104
48х - 232 = 104
48х = 104 + 232
48х = 336
x = 336 / 48
x = 7.