document.write( "Question 1080706: 3x+ky=9 passthrouh a point (1,-2),find k
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Algebra.Com's Answer #694819 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"+3x+%2B+k%2Ay+=+9+\"
\n" ); document.write( "given: ( 1, -2 )
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\n" ); document.write( "Plug the given point into the equation
\n" ); document.write( "and solve for \"+k+\"
\n" ); document.write( "\"+3%2A1+%2B+k%2A%28-2%29+=+9+\"
\n" ); document.write( "\"+3+-+2k+=+9+\"
\n" ); document.write( "Subtract \"3\" from both sides
\n" ); document.write( "\"+-2k+=+6+\"
\n" ); document.write( "Divide both sides by \"+-2+\"
\n" ); document.write( "\"+k+=+-3+\"\r
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