afonsomarcal66 afonsomarcal66 13-08-2020 Mathematics contestada Simplify the following expressions. 1. 3( x - 5 ) + 2x - 3 2. 4a - 3 ( 4 - a ) 3. -2 ( b - 6 ) + 2 4. 6 - 3 ( 3 + x )