5(x-18)=x+0.22这题怎么做,把过程写出来,
问题描述:
5(x-18)=x+0.22这题怎么做,把过程写出来,
答
5(x-18)=x+0.22
5x-90=x+0.22
5x-x=90+0.22
4x=90.22
x=22.555