1) x + 3 = 13x = 13 - 3x = 10
2) 18 = y + 10y = 18 - 10y = 8
3) 14 = x + 7x = 14 - 7x = 7
Ответ:x = 10y = 8
1) x + 3 = 13
x = 13 - 3
x = 10
2) 18 = y + 10
y = 18 - 10
y = 8
3) 14 = x + 7
x = 14 - 7
x = 7
Ответ:
x = 10
y = 8