x = 10 + y
x – 2y + 2 = 4
x = 2 + 2y
(2y – y) + (2 – 10) = (x – x)
y – 8 = 0
y = 8
x = 10 + 8 = 18
ответ: x = 18; y = 8.
x = 10 + y
x – 2y + 2 = 4
x = 10 + y
x = 2 + 2y
(2y – y) + (2 – 10) = (x – x)
y – 8 = 0
y = 8
x = 10 + 8 = 18
ответ: x = 18; y = 8.