document.write( "Question 406753: Solve by the substitution method.\r
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document.write( "5x+4y=6\r
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document.write( "x=22-6y \n" );
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Algebra.Com's Answer #286927 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! 5x + 4y = 6 \n" ); document.write( "x = 22 - 6y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5(22 - 6y) + 4y = 6 {substituted 22 - 6y in for x into top equation} \n" ); document.write( "110 - 30y + 4y = 6 {used distributive property} \n" ); document.write( "110 - 26y = 6 {combined like terms} \n" ); document.write( "-26y = -104 {subtracted 110 from both sides} \n" ); document.write( "y = 4 {divided both sides by -26}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 22 - 6y {bottom original equation} \n" ); document.write( "x = 22 - 6(4) {substituted 22 in, for x, into bottom equation} \n" ); document.write( "x = 22 - 24 {multiplied 4 by 4} \n" ); document.write( "x = -2 {subtracted} \n" ); document.write( "www.algebrahouse.com \n" ); document.write( " |