3x+5×0.3=4.53x+1.5=4.53x=3X=1不懂的欢迎追问,如有帮助请采纳,谢谢!
3x+5×0.3=4.53x+1.5=4.53x=3x=1 不懂可追问满意请采纳谢谢
3x+5×0.3=4.53x+1.5=4.53x=3x=1
3x=3 x=1