Rozwiąż równania



a/ 3x + 7 = 2x -1 b/ 8 - ( 3x – 10 ) = 2x + 8





















c/ 3( 2x + 2 ) = 6x -1 d/ - ( x + 3 ) - 2( x – 3 ) = 4( x – 2 ) + ( - x – 1