document.write( "Question 62385This question is from textbook prealgebra
\n" ); document.write( ": need help again srry\r
\n" ); document.write( "\n" ); document.write( "5n + 12=2n
\n" ); document.write( "and
\n" ); document.write( "6(x+3)+3x=3(x-2)
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Algebra.Com's Answer #43091 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
5n+12=2n
\n" ); document.write( "5n-2n=-12
\n" ); document.write( "3n=-12
\n" ); document.write( "n=-12/3
\n" ); document.write( "n=-4
\n" ); document.write( "proof
\n" ); document.write( "5*-4+12=2*-4
\n" ); document.write( "-20+12=-8
\n" ); document.write( "-8=-8
\n" ); document.write( "---------------------------------------------------------
\n" ); document.write( "6(x+3)+3x=3(x-2)
\n" ); document.write( "6x+18+3x=3x-6
\n" ); document.write( "6x+3x-3x=-6-18
\n" ); document.write( "6x=-24
\n" ); document.write( "x=-24/6
\n" ); document.write( "x=-4
\n" ); document.write( "proof
\n" ); document.write( "6(-4+3)+3*-4=3(-4-2)
\n" ); document.write( "6(-1)-12=3*-6
\n" ); document.write( "-6-12=-18
\n" ); document.write( "-18=-18
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