A) x + 5 + 4x - 6 = 5x - 1
Б) (3a - 2) - (5a - 8) = 3a - 2 - 5a + 8 = -2a + 6
В) 20 + 5(2y - 4) = 20 + 10y - 20 = 10y
A) x + 5 + 4x - 6 = 5x - 1
Б) (3a - 2) - (5a - 8) = 3a - 2 - 5a + 8 = -2a + 6
В) 20 + 5(2y - 4) = 20 + 10y - 20 = 10y