Решите уравнение: -2 дробь 5x+6=1 дробь 2(x-1)
- 2 \ ( 5X + 6) = 1 \ ( 2 *( X - 1)) - 2 \ (5X + 6) = 1 \ ( 2X - 2 ) -2 * ( 2X - 2 ) = 5X + 6 -4X + 4 = 5X + 6 5X + 4X = 4 - 6 9X = ( - 2) X = ( - 2\9 )