beautifulw80 beautifulw80 03-09-2021 Mathematics contestada Solve: 1. 12 + 2 ( x - 1 ) = 4x - 15 - 2x 2. 7 ( x + 3 ) - 1 = 5 ( x + 4 ) + 10 3. ( 4x - x ) 6 + 2 = 11 ( x + 3 ) + 10 4. 3/8 ( 2x - 8 ) = 1/4x + 9 please show work