document.write( "Question 63213: need help
\n" ); document.write( "Solve the system of equations for x and y using any method
\n" ); document.write( "x+2y=-5 x =2y-1
\n" ); document.write( "thanks
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Algebra.Com's Answer #43987 by Cintchr(481)\"\" \"About 
You can put this solution on YOUR website!
1. \"+x%2B2y=-5+\"
\n" ); document.write( "2. \"+x+=2y-1+\"
\n" ); document.write( "plug 2 into 1
\n" ); document.write( "\"+2y-1%2B2y=-5+\"
\n" ); document.write( "combine like terms
\n" ); document.write( "\"+4y+-1+=+-5+\"
\n" ); document.write( "add 1 to both sides
\n" ); document.write( "\"+4y+=+-4+\"
\n" ); document.write( "divide by 4
\n" ); document.write( "\"+x+=+-1+\"\r
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\n" ); document.write( "\n" ); document.write( "Substitute this back into equation 1
\n" ); document.write( "\"+-1+%2B+2y+=+-5\"
\n" ); document.write( "add 1 to both sides
\n" ); document.write( "\"+2y+=+-4+\"
\n" ); document.write( "divide by 2
\n" ); document.write( "\"+y+=+-2+\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "SOLUTION : ( -1 , -2 )
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