Пошаговое объяснение:
9x = 8x - 6 - x
9x = 7x - 6
9x - 7x = -6
2x = -6
x = -6 : 2
x = -3
6 - 4y - 1 = y + 3
5 - 4y = y + 3
y + 4y = 5 - 3
5y = 2
y = 2 : 5
y = 0,4
-4x + 8 - 7 = x - 1
-4x + 1 = x - 1
x + 4x = 1 + 1
5x = 2
x = 2 : 5
x = 0,4
5y = 2y + 9
5y - 2y = 9
3y = 9
y = 9 : 3
y = 3
Пошаговое объяснение:
9x = 8x - 6 - x
9x = 7x - 6
9x - 7x = -6
2x = -6
x = -6 : 2
x = -3
6 - 4y - 1 = y + 3
5 - 4y = y + 3
y + 4y = 5 - 3
5y = 2
y = 2 : 5
y = 0,4
-4x + 8 - 7 = x - 1
-4x + 1 = x - 1
x + 4x = 1 + 1
5x = 2
x = 2 : 5
x = 0,4
5y = 2y + 9
5y - 2y = 9
3y = 9
y = 9 : 3
y = 3