Solve for N: 7!8!9!/7!+8!+9!=8!N!/9
Follow Math Help Forum on Facebook and Google+
Originally Posted by rubytuesday Solve for N: 7!8!9!/7!+8!+9!=8!N!/9 noting the lack of parentheses in your equation, do you really mean this ... ???
Last edited by skeeter; Nov 15th 2011 at 07:02 PM.
Hello, rubytuesday! We have: . . . Note that: . So we have: . . . . . . . . . . . Multiply by
Thank You!
View Tag Cloud