X36的精选

解：6-x=36在这里x是减数，减数等于被&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp减数减差&nbsp&nbspX=6-36，&nbsp&nbsp&nbspx=-30下面我们来检验一下x=-30是否正确把x=-30代入方程，左边：6－(－30）=...