document.write( "Question 197032: 2. write an equation using z=kxz
\n" ); document.write( "x=-3, y=6, z=18
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\n" ); document.write( "find z if x=4, y=7
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Algebra.Com's Answer #147720 by Mathtut(3670)\"\" \"About 
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I am going to assume that it should read z=kxy
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\n" ); document.write( "so 18=k(-3)(6)--->k=-1
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\n" ); document.write( "equation : z=-1xy
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\n" ); document.write( "z=-1(4)(7)
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\n" ); document.write( "z=-28
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