Объяснение:
.........................
10y - 4x - 9y + x = y - 3x
x = 0.2 y = -2.2
-2.2 - 3 * 0.2 = -2.2 - 0.6 = -2.8
Объяснение:
.........................
10y - 4x - 9y + x = y - 3x
x = 0.2 y = -2.2
-2.2 - 3 * 0.2 = -2.2 - 0.6 = -2.8