1) 7x = 107 + 82 = 189
x = 189 / 7 = 27
2) 76 = (56 - x) * 19
56 - x = 76 / 19 = 4
x = 56 - 4 = 52
х = 27
Пошаговое объяснение:
7х - 82 = 107, 7х = 107 + 82, 7х = 189, х = 189 : 7, х = 27
1) 7x = 107 + 82 = 189
x = 189 / 7 = 27
2) 76 = (56 - x) * 19
56 - x = 76 / 19 = 4
x = 56 - 4 = 52
х = 27
Пошаговое объяснение:
7х - 82 = 107, 7х = 107 + 82, 7х = 189, х = 189 : 7, х = 27