SOLUTION: the perimeter of a rectangle is 46m the length is 8m more than 4 times the width find the length and width

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Question 279351: the perimeter of a rectangle is 46m the length is 8m more than 4 times the width find the length
and width
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
p=46
l=8+4w
p=2l+2w
substitute and solve
p=2l%2B2w
46=2%288%2B4w%29%2B2w
46=16%2B8w%2B2w
46=16%2B10w
30=10w
highlight%283=w%29
l=8+4w
l=8%2B4%283%29
l=8%2B12
highlight%28l=20%29