document.write( "Question 666617: x-a/x-b=x-c/x-d :x\r
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Algebra.Com's Answer #414578 by swincher4391(1107)\"\" \"About 
You can put this solution on YOUR website!
Solve for x:\r
\n" ); document.write( "\n" ); document.write( "\"%28x-a%29%2F%28x-b%29+=+%28x-c%29%2F%28x-d%29\"\r
\n" ); document.write( "\n" ); document.write( "Cross multiply\r
\n" ); document.write( "\n" ); document.write( "\"%28x-a%29%28x-d%29+=+%28x-b%29%28x-c%29\"
\n" ); document.write( "\"x%5E2-ax-dx+%2Bad+=+x%5E2+-bx+-+cx+%2B+bc\"
\n" ); document.write( "\"-ax-dx%2Bad+=+-bx-cx%2Bbc\"
\n" ); document.write( "\"-ax+-dx+%2Bbx+%2Bcx+=+bc-ad\"
\n" ); document.write( "\"%28-a-d%2Bb%2Bc%29x+=+bc-ad\"
\n" ); document.write( "\"x+=+%28bc-ad%29+%2F%28b%2Bc-a-d%29\"\r
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