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a) 5a-3a+5-10a+8
2a+13-10a
-8a+13
b)3x+2y-5-y-x-2
2x+2y-5-y-2
2x+y-3
c)8a-2x+4y+3+3a-2y
11a-2x-2y+3
d)3x-3x-1-3x+3-y+3x+y+1
-1-3x+3-y+3x+y+1
+3
e)-3m-2a+3m-2a-3m-a+m
4a-3m-a+m
3a-2m
f)4x-3x-y
4x-3x-y
x-y
2a+13-10a
-8a+13
b)3x+2y-5-y-x-2
2x+2y-5-y-2
2x+y-3
c)8a-2x+4y+3+3a-2y
11a-2x-2y+3
d)3x-3x-1-3x+3-y+3x+y+1
-1-3x+3-y+3x+y+1
+3
e)-3m-2a+3m-2a-3m-a+m
4a-3m-a+m
3a-2m
f)4x-3x-y
4x-3x-y
x-y
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