1) - 3(- 5a + 4b - 3) = 15a - 12b + 9
2) -(3x - 5y + 2) = - 3x + 5y - 2
3) 2(x + 1) = 2x + 2
4) - 2(2x + 1) = - 4x - 2
5) 4(- 2x + 1) = - 8x + 4
6) -(- 5m - 6) = 5m + 6
7) - 2(a - 2b + 1) = - 2a + 4b - 2
8) - 5x - 2y - 10 = - 5x - 2y - 10
9) (2a - 3b - 4)3 = 6a - 9b - 12
10) (6x - 2) + (2x - 1) = 8x - 3