2x - ( x -17 ) = 34 - ( 14 +25 )

1) 2x - ( x -17 ) = 34 - ( 14 +25 )

2 ) 2x - 3. ( x - 17 ) = 125 - ( -28 + 125 )

3 ) -17x - ( -16x - 37 ) = 23-43 

4 ) 7x + (-6x - 42 ) = -27 - ( 43 -27 )