若a/3+1与2a-7/3互为相反数,则a=?A.4/3 B.10 C.-4/3 D.-10若a/3 +1与2a-7/3互为相反数,则a=?A.4/3 B.10 C.-4/3 D.-10

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若a/3+1与2a-7/3互为相反数,则a=?A.4/3B.10C.-4/3D.-10若a/3+1与2a-7/3互为相反数,则a=?A.4/3B.10C.-4/3D.-10若a/3+1与2a-7/3互

若a/3+1与2a-7/3互为相反数,则a=?A.4/3 B.10 C.-4/3 D.-10若a/3 +1与2a-7/3互为相反数,则a=?A.4/3 B.10 C.-4/3 D.-10
若a/3+1与2a-7/3互为相反数,则a=?A.4/3 B.10 C.-4/3 D.-10
若a/3 +1与2a-7/3互为相反数,则a=?A.4/3 B.10 C.-4/3 D.-10

若a/3+1与2a-7/3互为相反数,则a=?A.4/3 B.10 C.-4/3 D.-10若a/3 +1与2a-7/3互为相反数,则a=?A.4/3 B.10 C.-4/3 D.-10
互为相反数
所以a/3+1=-(2a-7)/3
两边乘3
a+3=-2a+7
3a=4
a=4/3
选A

是a/3 +1与(2a-7)/3吧?
互为相反数,即[a/3 +1]+[(2a-7)/3]=0,解得A=4/3,选A