若2m-3与-m互为相反数,求m
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若2m-3与-m互为相反数,求m若2m-3与-m互为相反数,求m若2m-3与-m互为相反数,求m2m-3与-m互为相反数所以可得：(2m-3)-m=02m-m-3=0m-3=0m=3因为为相反数。所以
若2m-3与-m互为相反数,求m
若2m-3与-m互为相反数,求m
若2m-3与-m互为相反数,求m
2m-3与-m互为相反数所以可得：
(2m-3)-m=0
2m-m-3=0
m-3=0
m=3
因为为相反数。所以2m-3=m m=3