document.write( "Question 190512: SOlve the linear system using elimination. Please show all work.
\n" ); document.write( "x+y=7 equation 1
\n" ); document.write( "y=-2x=8 equation 2
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Algebra.Com's Answer #142970 by sheraj(2)\"\" \"About 
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x+y=7
\n" ); document.write( "x=7-y
\n" ); document.write( "y-2x=8
\n" ); document.write( "y=8+2x
\n" ); document.write( "y=8+2(7-y)
\n" ); document.write( "y=8+14-2y
\n" ); document.write( "y=22-2y
\n" ); document.write( "3y=22
\n" ); document.write( "y=22/3
\n" ); document.write( "x=7-22/3=21-22/3
\n" ); document.write( "x=-1/3\r
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