SOLUTION: A rectangle has a length of 6 and a width 5x+8 . The area is 80 . what is x ?

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Question 1049232: A rectangle has a length of 6 and a width 5x+8 . The area is 80 . what is x ?

Answer by MathLover1(20855)   (Show Source): You can put this solution on YOUR website!
if a length of and a width , and the area is , we have






then a width is




check the area:







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