9x-1.3×0.6＝26.229x-0.78＝26.229x=26.22+0.789x=27x=3
9x-1.3×0.6＝26.229X＝26.22+1.3*0.6＝27X＝27/9＝3
9x=26.22+0.78=27x=3
是解方程吗？
再教学啊
