решите уравнение 5-3(х- 2(х- 2(х- 2)))=2 
1)11 2)2.2 3)7 4)3 5)-4

Равно = 3 (ответ №-4)5 - 3(x - 2(x - 2(x - 2))) = 2 5 - 2 = 3(x - 2(x - 2(x - 2))) x - 2(x - 2(x - 2)) = 1 x - 1 = 2(x - 2(x - 2)) = 2(x - 2x + 4) = 2(4 - x) x - 1 = 2(4 - x) = 8 - 2x x + 2x = 8 + 1 3x = 9 x = 3