document.write( "Question 1108651: I am trying to find a solution to a problem for my 7th grader that has me confused. \r
\n" ); document.write( "\n" ); document.write( "I have a rectangle.
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\n" ); document.write( "The long side \"length\" is 3x + 4 and the short side \"width\" is x - 2. \r
\n" ); document.write( "\n" ); document.write( "The perimeter is 20. \r
\n" ); document.write( "\n" ); document.write( "I have to figure the value of x. \r
\n" ); document.write( "\n" ); document.write( "I came up with the value of 2 for x.\r
\n" ); document.write( "\n" ); document.write( "If that is correct that the rectangle would have 2 sides of 10cm
\n" ); document.write( "And 2 sides of 0. Please help. \r
\n" ); document.write( "\n" ); document.write( " _____3x_+4_________
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\n" ); document.write( " |x -2
\n" ); document.write( " |_________________|\r
\n" ); document.write( "\n" ); document.write( "P = 20. Solve for x \r
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Algebra.Com's Answer #723697 by TeachMath(96) $\"\"$ $\"About$

You can put this solution on YOUR website!
Something's wrong with one or both expressions, or the length of the perimeter. x is definitely equal to 2, but it doesn't make sense since that will make the shorter side 0, and which will leave 2 lines measuring 10 units each. That's not a rectangle. \n" ); document.write( "

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