3(a-1)与2a互为相反数,求a的值?
问题描述:
3(a-1)与2a互为相反数,求a的值?
答
3(a-1)与2a互为相反数
3(a-1)+2a=0
a=3/5
3(a-1)与2a互为相反数,求a的值?
3(a-1)与2a互为相反数
3(a-1)+2a=0
a=3/5