document.write( "Question 7553: 6n-42=4n \n" ); document.write( "

Algebra.Com's Answer #4161 by bonster(299) $\"\"$ $\"About$

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add 42 to both sides:
\n" ); document.write( "(6n-42)+42=(4n)+42
\n" ); document.write( "6n=4n+42\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "subtract 4n from both sides
\n" ); document.write( "(6n)-4n=(4n+42)-4n
\n" ); document.write( "2n=42
\n" ); document.write( "n=21\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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