document.write( "Question 555341: 8x+5y-4z+9y+13z-4z \n" ); document.write( "
Algebra.Com's Answer #361744 by jim_thompson5910(35256)\"\" \"About 
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8x+5y-4z+9y+13z-4z\r
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\n" ); document.write( "\n" ); document.write( "8x+(5y+9y)+(-4z+13z-4z)\r
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\n" ); document.write( "\n" ); document.write( "8x+14y+5z\r
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\n" ); document.write( "\n" ); document.write( "So 8x+5y-4z+9y+13z-4z = 8x+14y+5z for all x, y and z\r
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