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September 18, 2014

September 18, 2014

Posted by **Elizabeth** on Wednesday, January 26, 2011 at 10:50pm.

- Algebra 1 -
**helper**, Wednesday, January 26, 2011 at 11:15pmx + 6 = length of sidewalk

x + 4 = width of sidewalk

A = Lw

A = (x + 6)(x + 4)

(x + 6)(x + 4) = 39

Expand and solve for x

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