document.write( "Question 866746: a straight line with equation 2y = kx + h passes through the points (-3,6) and ( 1,11) find the value of k and of h \n" ); document.write( "
Algebra.Com's Answer #522542 by Fombitz(32388)\"\" \"About 
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\"+2y+=+kx+%2B+h\"
\n" ); document.write( " \"2%286%29+=+k%28-3%29+%2B+h\"
\n" ); document.write( "1.\"-3k%2Bh=12\"
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\n" ); document.write( "\"+2y+=+kx+%2B+h\"
\n" ); document.write( "\"2%2811%29=k%281%29%2Bh\"
\n" ); document.write( "2.\"k%2Bh=22\"
\n" ); document.write( "Subtract eq. 2 from eq. 1,
\n" ); document.write( "\"-3k%2Bh-k-h=12-22\"
\n" ); document.write( "\"-4k=-10\"
\n" ); document.write( "\"k=10%2F4\"
\n" ); document.write( "\"k=5%2F2\"
\n" ); document.write( "Then use either equation to solve for \"h\"
\n" ); document.write( "\"5%2F2%2Bh=22\"
\n" ); document.write( "\"h=44%2F2-5%2F2\"
\n" ); document.write( "\"h=39%2F2\"
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