(450+x)/6=x-5x=480/5=96如有帮助请采纳,如对本题有疑问可追问,Good luck!
450+X=6(X-5)450+6X5=6X-X480=5XX=96
450+X=6x一306x一x=450十305x=480x=76
(450+x)=(x-5)6 =6x-5x-6x=-5+450-5x=445-x=445除5-x=89x=-89