document.write( "Question 67616: 9(k-10)=-k \n" ); document.write( "

Algebra.Com's Answer #48114 by checkley71(8403) $\"\"$ $\"About$

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9(K-10)=-K
\n" ); document.write( "9K-90=-K
\n" ); document.write( "9K+K=90
\n" ); document.write( "10K=90
\n" ); document.write( "K=90/10
\n" ); document.write( "K=9
\n" ); document.write( "PROOF
\n" ); document.write( "9(9-10)=-9
\n" ); document.write( "81-90=-9
\n" ); document.write( "-9=-9 \n" ); document.write( "

\n" );