Need help with a Geometry word problem about QUADRATICS

Algebra
Tutor: None Selected Time limit: 1 Day

the length of a rectangle is 7 units more than its width. if the width is doubled and the length is increased by 2, the area is increased by 42 square units. find the dimensions of the original rectangle.

Nov 15th, 2015

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the calculations are in the images the answer is width is 3 and length is 10 

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Nov 15th, 2015

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Nov 15th, 2015
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Nov 15th, 2015
Feb 22nd, 2017
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