HELP ME!

Hi there! :)

This blog post has nothing to do with kpop, fanfics or whatsoever but i really hope someone could help me with maths

this is the question:

If the perimeter of a rectangle is 832 m and the length 224 m is more than the width, what are the dimensions? (this needs to be expressed in algebraic expression which i've got no clue how to XD)

You guys are probably thinking I'm stupid XD lol but I'm not a maths wizard

Please help me, my exams are coming up and one of the questions are similar to this. It would be a great help if someone will answer this. I'll LOVE YOU FOREVER! hehe (I know i should be seeking help from a teacher but we've got too many kids in the class that do not understand it either so it will take a long time for me to get her attention)

Anyways, thanks in advance! :)

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Xiusoc
#1
2(x+224)+2x=832
2x+448+2x=832
4x+448=832
4x=832-448
x=96

width=96
length=320