已知m-2/3与3m-1/2互为相反数,求m的值.
问题描述:
已知m-2/3与3m-1/2互为相反数,求m的值.
答
m-2/3+3m-1/2=0
m+3m=0+2/3+1/2
4m=7/6
m=24/7