若式子3m+2与2m-5的值互为相反数,求m的值!
问题描述:
若式子3m+2与2m-5的值互为相反数,求m的值!
答
3m+2=-(2m-5)
m=3/5
若式子3m+2与2m-5的值互为相反数,求m的值!
3m+2=-(2m-5)
m=3/5