7y - 2y = 245y = 245y - 24y = -19y = y = 0
9x + x - 9x = 5x = 5x - 5x = -4x = x = 0
17y - y = 116y = 1y = 1
Итак, y = 0, x = 0, и y = 1.
7y - 2y = 24
5y = 24
5y - 24y =
-19y =
y = 0
9x + x - 9x = 5
x = 5
x - 5x =
-4x =
x = 0
17y - y = 1
16y = 1
y = 1
Итак, y = 0, x = 0, и y = 1.