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The perimeter of a triangle is 10 inches, if the length is 7 less than twice the width, find the length and width. I need to see the equation for it, too. Please please help
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The perimeter of a triangle is 10 inches, if the length is 7 less than twice the width, find the length and width.

I need to see the equation for it, too. Please please help

User Touv
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1 Answer

4 votes
Since you said length and width i assume it’s a rectangle not a triangle. Here are the equations:
2L+2W=10
L=2W-7 then 2W=L+7 and plug it in the first equation:
2L+L+7=10
3L=3
L=1
Therefore 2+2W=10
W=4

User Ivan Chepurnyi
by
4.6k points
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