document.write( "Question 150520: x=2y+z=2
\n" ); document.write( "5x=z
\n" ); document.write( "y=-2x
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Algebra.Com's Answer #110486 by mangopeeler07(462)\"\" \"About 
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x=2y+z=2
\n" ); document.write( "5x=z
\n" ); document.write( "y=-2x\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Plug in y and z\r
\n" ); document.write( "\n" ); document.write( "x=2(-2x)+5x=2\r
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\n" ); document.write( "\n" ); document.write( "x=-4x+5x=2
\n" ); document.write( "x=x=2\r
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\n" ); document.write( "\n" ); document.write( "x=2\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "5(2)=z
\n" ); document.write( "z=10\r
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\n" ); document.write( "\n" ); document.write( "y=-2(2)
\n" ); document.write( "y=-4\r
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\n" ); document.write( "\n" ); document.write( "Answer:
\n" ); document.write( "x=2
\n" ); document.write( "y=-4
\n" ); document.write( "z=10
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