document.write( "Question 430050: I have the equations x + y = 56 and x = 3y = 56
\n" );
document.write( "x is one floorplan of a house and y is the other floorplan
\n" );
document.write( "There are 3 times as many houses with the floorplan y.
\n" );
document.write( "Need to solve for x and y.
\n" );
document.write( "I have tried to substitute without success!
\n" );
document.write( "I come up with x = 15 and y would equal 15 * 3 = 45 10 + 45 = 55 not 56! \n" );
document.write( "
Algebra.Com's Answer #298631 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! If x + y = 56, and x=3y, then\r \n" ); document.write( "\n" ); document.write( "x+y=56 \n" ); document.write( "3y+y=56 \n" ); document.write( "4y=56 \n" ); document.write( "y=14 \n" ); document.write( "x=3y=42\r \n" ); document.write( "\n" ); document.write( "There are 14 houses with floorplan y. There are 42 houses with floorplan x. \n" ); document.write( " |