a) (3a+5)-(-2a-4)=
b) (2x+3y-1)-(4x-y+3)=
c) (3x+y+2)-(5x-y+3)-(5x+2y)=
d) (3x-2)+(4x+5)-(2+y)=
e) (2a+2b)+(2a-3b+2)+(-3a-3b-5)
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a) (3a+5)-(-2a-4)= 3a+5 +2a+4 =5a +9
b) (2x+3y-1)-(4x-y+3)= 2x+3y-1-4x+y-3=-2x+4y-4
c) (3x+y+2)-(5x-y+3)-(5x+2y)=3x+y+2-5x+y-3-5x-2y = -7x-1
d) (3x-2)+(4x+5)-(2+y)=3x-2+4x+5-2-y=7x-y+1
e) (2a+2b)+(2a-3b+2)+(-3a-3b-5) =2a+2b+2a-3b+2-3a-3b-5=a-4b-3
a) (3a+5)-(-2a-4)= 3a+5+2a+4= 5a+9
b) (2x+3y-1)-(4x-y+3)=2x+3y-1-4x+y-3= -2x+4y-4
c) (3x+y+2)-(5x-y+3)-(5x+2y)=3x+y+2-5x+y-3-5x-2y=-7x-1
d) (3x-2)+(4x+5)-(2+y)= 3x-2+4x+5-2-y= 7x-y+1
e) (2a+2b)+(2a-3b+2)+(-3a-3b-5) = 2a+2b+2a-3b+2-3a-3b-5= a-4b-3
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