document.write( "Question 1345: Please explain how the simplifying works to get from:\r
\n" ); document.write( "\n" ); document.write( "D/3 = 4 + D/9,\r
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\n" ); document.write( "\n" ); document.write( "3D = 36 + D\r
\n" ); document.write( "\n" ); document.write( "Also, where could I find more about this type of problem?
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Algebra.Com's Answer #438 by usyim88hk(158)\"\" \"About 
You can put this solution on YOUR website!
Just multiply the original equation by 9
\n" ); document.write( "(D/3)(9) = 4(9)+(D/9)(9)
\n" ); document.write( "3D = 36+D
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