当x=__时,2x-1/2与3x-+1/2互为相反数= =
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当x=__时,2x-1/2与3x-+1/2互为相反数==当x=__时,2x-1/2与3x-+1/2互为相反数==当x=__时,2x-1/2与3x-+1/2互为相反数==当x=__时,2x-1/2与3x
当x=__时,2x-1/2与3x-+1/2互为相反数= =
当x=__时,2x-1/2与3x-+1/2互为相反数
= =
当x=__时,2x-1/2与3x-+1/2互为相反数= =
当x=__时,2x-1/2与3x+1/2互为相反数?
2x-1/2=-(3x+1/2)
2x-1/2=-3x-1/2
5x=0
x=0;
当x=__时,2x-1/2与3x-1/2互为相反数?
2x-1/2=-(3x-1/2)
2x-1/2=-3x+1/2
5x=1
x=1/5;