document.write( "Question 139411: I know I'm solving for x, so I think I set up the equation like
\n" ); document.write( "(2x+5)+(3x+1)+(13)+(5x-7)=? My problem is that I don't know what I set it to equal to. \r
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Algebra.Com's Answer #101657 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Since the diagonals of a rectangle are equal, this means that we have the equation\r
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\n" ); document.write( "\n" ); document.write( "\"%282x%2B5%29%2B%285x-7%29=%283x%2B1%29%2B%2813%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"2x%2B5%2B5x-7=3x%2B1%2B13\" Remove the parenthesis\r
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\n" ); document.write( "\n" ); document.write( "\"7x-2=3x%2B1%2B13\" Combine like terms on the left side\r
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\n" ); document.write( "\n" ); document.write( "\"7x-2=3x%2B14\" Combine like terms on the right side\r
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\n" ); document.write( "\n" ); document.write( "\"7x=3x%2B14%2B2\"Add 2 to both sides\r
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\n" ); document.write( "\n" ); document.write( "\"7x-3x=14%2B2\" Subtract 3x from both sides\r
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\n" ); document.write( "\n" ); document.write( "\"4x=14%2B2\" Combine like terms on the left side\r
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\n" ); document.write( "\n" ); document.write( "\"4x=16\" Combine like terms on the right side\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2816%29%2F%284%29\" Divide both sides by 4 to isolate x\r
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\n" ); document.write( "\n" ); document.write( "\"x=4\" Divide\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
\n" ); document.write( "\n" ); document.write( "So our answer is \"x=4\" \r
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