document.write( "Question 990987: Is 9x+11zy=12y linear? And write it in standard form \n" ); document.write( "
Algebra.Com's Answer #610920 by Edwin McCravy(20059)\"\" \"About 
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document.write( "9x+11zy = 12y\r\n" );
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document.write( "No, that's not linear because it is of degree 2 since it has a term \r\n" );
document.write( "in which 2 letters are multiplied together, z and y.\r\n" );
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document.write( "A linear equation can have no letters multiplied together such as x2, xy, etc.  \r\n" );
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document.write( "In standard form it is solved for y:\r\n" );
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document.write( "9x+11zy = 12y\r\n" );
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document.write( "9x = 12y-11zy\r\n" );
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document.write( "9x = y(12-11z)\r\n" );
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document.write( "\"9x%2F%2812-11z%29\"\"%22%22=%22%22\"\"y\"\r\n" );
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document.write( "\"y\"\"%22%22=%22%22\"\"9x%2F%2812-11z%29\"\r\n" );
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document.write( "Edwin
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