document.write( "Question 791172: y= 4X
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document.write( "X+Y=5
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document.write( "How do I solve this equation? \n" );
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Algebra.Com's Answer #479415 by wilft1(217)![]() ![]() You can put this solution on YOUR website! if y = 4x, then substitute that in for the bottom equation\r \n" ); document.write( "\n" ); document.write( "make x + y = 5 into x + 4x = 5 then solve\r \n" ); document.write( "\n" ); document.write( "x + 4x = 5\r \n" ); document.write( "\n" ); document.write( "combine like terms\r \n" ); document.write( "\n" ); document.write( "5x = 5\r \n" ); document.write( "\n" ); document.write( "divide both sides by 5\r \n" ); document.write( "\n" ); document.write( "x = 5/5\r \n" ); document.write( "\n" ); document.write( "x = 1 \n" ); document.write( " |