8ⅹ-3x=0.75解方程8ⅹ-3x=0.755x=0.75x=0.75/5x=0.15
8ⅹ-3x=0.75解方程很简单啊，就得5x=0.75x=0.15
8x-3x=0.755x=0.75x=0.75÷5x=0.15
5x=0.75x=0.15请采纳
X＝0.15
