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b)2x-y-3x=-x-y
c)-c+b-5b =-c-4b
d)-a+b-5b=-a-4b
a)2a+2b b)-x-y c)-c-4b d)-a-4b
2a+2b =
b) 2x-y-3x =
-x-3x
c) -c+b-5b=
-c-4b
d)-a+b-5b=
-a-4b