3-2m/4与3m-2/5互为相反数时,则m=
2个回答
∵3-2m/4与3m-2/5互为相反数
则(3-2m)/4=(2-3m)/5
∴5(3-2m)=4(2-3m)
15-10m=8-12m
12m-10m=8-15
2m=-7
m=-3.5
相关问题
如果3-m与2m+1互为相反数,则m=______.
-3与3m互为相反数,则m=
若m/3+1与m+1/2互为相反数,则m=____
已知3m-2与-(+7)互为相反数,则m=_________
如果m和n互为相反数,则m+2m+3m+4m+5m+5n+4n+3n+2n+n=
m/3=1与2m-7/3互为相反数,m=
m,n互为相反数,则(3m-2n)-(2m-3n)=______.
m,n互为相反数,则(3m-2n)-(2m-3n)=______.
m,n互为相反数,则(3m-2n)-(2m-3n)=_______.
m+3与2n-3互为相反数,则m+n等于