（m/3）+1和2m-7/3互为相反数,m等于几

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（m/3）+1和2m-7/3互为相反数,m等于几（m/3）+1和2m-7/3互为相反数,m等于几（m/3）+1和2m-7/3互为相反数,m等于几m/3+1=-(2m-7/3)m/3+1+2m-7/3=

（m/3）+1和2m-7/3互为相反数,m等于几
（m/3）+1和2m-7/3互为相反数,m等于几

（m/3）+1和2m-7/3互为相反数,m等于几
m/3+1=-(2m-7/3)
m/3+1+2m-7/3=0
(7/3)m=4/3
m=4/7