已知丨a-b-1丨与3(a-2b+3)^2互为相反数,求a和b的值^2是平方,

问题描述:

已知丨a-b-1丨与3(a-2b+3)^2互为相反数,求a和b的值
^2是平方,

丨a-b-1丨与3(a-2b+3)^2互为相反数
丨a-b-1丨+3(a-2b+3)^2=0
丨a-b-1丨=0 3(a-2b+3)^2=0
a-b=1
a-2b=-3
a=5 b=4