Simplify

15a-6a+9a+b=
5m+7n+8m-3n=
9x+7y-3x+2y=
14L-6L+5m+18m-9m=
8x+7y-6x-3y=
5x+8y+9x-3y-2y=
5a+3b+4a=

Which of these would have been most likely to have been a carpetbagger during the reconstruction era? a) a new york businessman who relocated to mississippi b) a former slave who was able to buy land in birmingham c) a carolina-born politician who supported the democratic d) a former confederate officer who owned a farm in memphis eliminate