Pomocy ! a) 3b-8a+9b= b) -x+2y+2x= c)3x+2y-8y= d)x+y+2z+8x-3y=
a) 3b-8a+9b= 12b-8a
b) -x+2y-8y= -x-6y
d) x+y+2z+8x-3y = 9x-2y+2z
a) 3b-8a+9b=-8a+12b
b) -x+2y+2x=x+2y
c)3x+2y-8y=3x-6y
d)x+y+2z+8x-3y=9x-2y+2z
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a) 3b-8a+9b= 12b-8a
b) -x+2y-8y= -x-6y
d) x+y+2z+8x-3y = 9x-2y+2z
a) 3b-8a+9b=-8a+12b
b) -x+2y+2x=x+2y
c)3x+2y-8y=3x-6y
d)x+y+2z+8x-3y=9x-2y+2z