3a+2-5a+7=
4-3c+2b-7c=
8-3d+2+5d=
6a+4-2a+9-4a+6=
1,5c+2-0,5c-8-c=
3a+2-5a+7=-2a+9
4-3c+2b-7c=4-10c+2b
8-3d+2+5d=6+2d
6a+4-2a+9-4a+6=19
1,5c+2-0,5c-8-c=-6
A)-2a+9
B)4-10c+2b
C)10+2d
D)19
E)-6
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3a+2-5a+7=-2a+9
4-3c+2b-7c=4-10c+2b
8-3d+2+5d=6+2d
6a+4-2a+9-4a+6=19
1,5c+2-0,5c-8-c=-6
A)-2a+9
B)4-10c+2b
C)10+2d
D)19
E)-6