m/3和2m-7/3互为相反数,m等于几
问题描述:
m/3和2m-7/3互为相反数,m等于几
答
m/3+2m-7/3=0
m+6m-7=0
m=1
m/3和2m-7/3互为相反数,m等于几
m/3+2m-7/3=0
m+6m-7=0
m=1