1) x - 87 - 27 = 36
x - 114 = 36
x = 36 + 114
x = 150
Проверка:
150 - 87 - 27 = 36
63 - 27 = 36
36 = 36
Уравнение верно.
2) 87 - 41 + y = 22
46 + y = 22
y = 22 - 46
y = -24
87 - 41 - 24 = 22
46 - 24 = 22
22 = 22
1) x - 87 - 27 = 36
x - 114 = 36
x = 36 + 114
x = 150
Проверка:
150 - 87 - 27 = 36
63 - 27 = 36
36 = 36
Уравнение верно.
2) 87 - 41 + y = 22
46 + y = 22
y = 22 - 46
y = -24
Проверка:
87 - 41 - 24 = 22
46 - 24 = 22
22 = 22
Уравнение верно.