document.write( "Question 256606: 2n+6=7n-9 \n" ); document.write( "

Algebra.Com's Answer #188697 by checkley77(12844) $\"\"$ $\"About$

You can put this solution on YOUR website!
2n+6=7n-9
\n" ); document.write( "2n-7n--9-6
\n" ); document.write( "-5n=-15
\n" ); document.write( "n=-15/-5
\n" ); document.write( "n=3 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "2*3+6=7*3-9
\n" ); document.write( "6+6=21-9
\n" ); document.write( "12=12 \n" ); document.write( "

\n" );