document.write( "Question 471345: using substution mehhod [x+2y=11]
\n" ); document.write( " [2x-y=2 \n" ); document.write( "
Algebra.Com's Answer #323265 by algebrahouse.com(1659)\"\" \"About 
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x + 2y = 11 -----> x = -2y + 11 {subtracted 2y from both sides}
\n" ); document.write( "2x - y = 2\r
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\n" ); document.write( "\n" ); document.write( "2x - y = 2 {bottom equation}
\n" ); document.write( "2(-2y + 11} - y = 2 {substituted -2y + 11, in for x, into bottom equation}
\n" ); document.write( "-4y + 22 - y = 2 {used distributive property}
\n" ); document.write( "-5y + 22 = 2 {combined like terms}
\n" ); document.write( "-5y = -20 {subtracted 22 from both sides}
\n" ); document.write( "y = 4 {divided both sides by -5}\r
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\n" ); document.write( "\n" ); document.write( "x = -2y + 11 {re-arranged top equation}
\n" ); document.write( "x = -2(4) + 11 {substituted 4, in for y, into top equation}
\n" ); document.write( "x = -8 + 11 {multiplied -2 by 4}
\n" ); document.write( "x = 3 {combined like terms}\r
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\n" ); document.write( "\n" ); document.write( "x = 3 and y = 4
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