document.write( "Question 178640: Find the value of x and y if: 5x -3y = 35 and y = x-y \n" ); document.write( "
Algebra.Com's Answer #133594 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 5x -3y = 35 \n" ); document.write( "y = x-y or x=2y \n" ); document.write( "5(2y)-3y=35 \n" ); document.write( "10y-3y=35 \n" ); document.write( "7y=35 \n" ); document.write( "y=35'7 \n" ); document.write( "y=5 ans. \n" ); document.write( "x=2*5 \n" ); document.write( "x=10 ans. \n" ); document.write( "Proof \n" ); document.write( "5*10-3*5=35 \n" ); document.write( "50-15=35 \n" ); document.write( "35=35 \n" ); document.write( " \n" ); document.write( " |