75 − x = 75
x = 0
75 − 0 = 75
75 = 75
4 + x = 64
x = 60
4 + 60 = 64
64 = 64
89 − y = 0
y = 89
89 − 89 = 0
0 = 0
Условие:
Реши уравнения.
75 − x = 75
4 + x = 64
89 − y = 0
75 − x = 75
x = 0
75 − 0 = 75
75 = 75
4 + x = 64
x = 60
4 + 60 = 64
64 = 64
89 − y = 0
y = 89
89 − 89 = 0
0 = 0