document.write( "Question 1108493: if\r
\n" ); document.write( "\n" ); document.write( "A system of equations is shown.\r
\n" ); document.write( "\n" ); document.write( "50y−30z=320 -20y+15z=-140\r
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\n" ); document.write( "\n" ); document.write( "y= \r
\n" ); document.write( "\n" ); document.write( "z= \r
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Algebra.Com's Answer #723497 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"system%2850y-30z=320%2C-20y%2B15z=-140%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%285y-3z=32%2C-4y%2B3z=-28%29\"
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