document.write( "Question 563492: x=2y
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document.write( "y=x-2 \n" );
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Algebra.Com's Answer #364899 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! x=2y............(1) \n" ); document.write( "y=x-2...........(2) \n" ); document.write( "Substitute the value of x from (1) to (2) \n" ); document.write( "y=2y-2 \n" ); document.write( "y-2y=-2 \n" ); document.write( "-y=-2 \n" ); document.write( "Multiply by -1 both sides of the above equation \n" ); document.write( "-y(-1)=-2(-1) \n" ); document.write( "y=2 \n" ); document.write( "Put the value of y in (1) \n" ); document.write( "x=2y \n" ); document.write( "x=2(2) \n" ); document.write( "x=4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x,y=4,2\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Check \n" ); document.write( "===== \n" ); document.write( "Put the value of x and y in (1) \n" ); document.write( "x=2y \n" ); document.write( "4=2(2) \n" ); document.write( "4=4 \n" ); document.write( "Put the value of x and y in (2) \n" ); document.write( "y=x-2...........(2) \n" ); document.write( "2=4-2 \n" ); document.write( "2=2 \n" ); document.write( " \n" ); document.write( " |