document.write( "Question 488369: can someone please help me? \r
\n" ); document.write( "\n" ); document.write( "solve each system by the substitution method.
\n" ); document.write( "8. 2x+y-x=-3y+5
\n" ); document.write( " y+2=x-5
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Algebra.Com's Answer #333353 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
x=-4y+5
\n" ); document.write( "y=x-7
\n" ); document.write( "-------------
\n" ); document.write( "x=-4(x-7)+5
\n" ); document.write( "x=-4x+28+5
\n" ); document.write( "5x=33
\n" ); document.write( "x=6.6
\n" ); document.write( "-----------
\n" ); document.write( "6.6=-4y+5
\n" ); document.write( "1.6=-4y
\n" ); document.write( "y=1.6/-4
\n" ); document.write( "y=-0.4
\n" ); document.write( "--------------
\n" ); document.write( "-0.4=6.6-7
\n" ); document.write( "(6.6,0.4)
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