Объяснение:
1/2 (4x-6) - 3 (2 1/3x+2) =7-x
(2x-3) - 7x - 6 = 7 - x
2x - 3 - 7x - 6 = 7 - x
-5x - 9 = 7-x
-5x + x =7 + 9
-4x = 16
x = -4
Объяснение:
1/2 (4x-6) - 3 (2 1/3x+2) =7-x
(2x-3) - 7x - 6 = 7 - x
2x - 3 - 7x - 6 = 7 - x
-5x - 9 = 7-x
-5x + x =7 + 9
-4x = 16
x = -4