document.write( "Question 1202252: If y varies directly as x and y=12 when x=-3, find y when x=7 \n" ); document.write( "
Algebra.Com's Answer #836942 by mananth(16946)\"\" \"About 
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If y varies directly as x and y=12 when x=-3, find y when x=7\r
\n" ); document.write( "\n" ); document.write( "y varies as x
\n" ); document.write( "y=kx\r
\n" ); document.write( "\n" ); document.write( " y=12 when x=-3\r
\n" ); document.write( "\n" ); document.write( "12=k*-3
\n" ); document.write( "k=12/-3 =-4\r
\n" ); document.write( "\n" ); document.write( "you know k=-4 and x=7\r
\n" ); document.write( "\n" ); document.write( "plug in equation to get y\r
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