Решить уравнение 3×-5 (2×+1)=3 (3-2×)
3x - 5( 2x + 1 ) = 3( 3 - 2x ) 3x - 10x - 5 = 9 - 6x - 7x + 6x = 9 + 5 X = 14 : ( - 1 ) X = - 14