2x+0.2x×2=36

问题描述:

2x+0.2x×2=36
这是一道解方程的题,请各位大哥哥大姐姐帮帮忙!

2x+0.2x×2=36
2x+0.4x=36
2.4x=36
x=36/2.4
x=15