a)=5a+3a-4=8a-4=4(2a-1)
b)=6x-x+4=5x+4
c)=3x-y+2x=5x-y
d)=-2x+1-3x+1=-5x+2
e)=x+y+x-y-x+y=x+y
f)=-2+x-2+x=2x-4=2(x-2)
a) 5a+3a-4=8a-4
b)6x-x+4= 5x+4
c)3x-y+2x= 2y+2x
e)x+y+x-y-x+y=x+y
f)-2+x-2+x=-4+2x
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a)=5a+3a-4=8a-4=4(2a-1)
b)=6x-x+4=5x+4
c)=3x-y+2x=5x-y
d)=-2x+1-3x+1=-5x+2
e)=x+y+x-y-x+y=x+y
f)=-2+x-2+x=2x-4=2(x-2)
a) 5a+3a-4=8a-4
b)6x-x+4= 5x+4
c)3x-y+2x= 2y+2x
e)x+y+x-y-x+y=x+y
f)-2+x-2+x=-4+2x