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OpenStudy (anonymous):
A rectangle has an area of 72 square units. The width of the rectangle is 9 units. The length of the rectangle is 2x + 4. What is the rectangle's length?
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OpenStudy (anonymous):
a= l*w 72 = (2x+4) 9 72 = 18x + 36 72-36 = 36 36/18 = 2 x = 2
OpenStudy (anonymous):
length = 8
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