document.write( "Question 248476: Solve proportional equation\r
\n" );
document.write( "\n" );
document.write( "x= 7y + 2
\n" );
document.write( " _______
\n" );
document.write( " y-3\r
\n" );
document.write( "\n" );
document.write( "Solve for y \n" );
document.write( "
Algebra.Com's Answer #181088 by dabanfield(803)![]() ![]() ![]() You can put this solution on YOUR website! Solve proportional equation \n" ); document.write( "x= 7y + 2 \n" ); document.write( "_______ \n" ); document.write( "y-3 \n" ); document.write( "Solve for y \r \n" ); document.write( "\n" ); document.write( "x = (7y+2)/(y-3)\r \n" ); document.write( "\n" ); document.write( "Multiply both sides by y-3: \n" ); document.write( "x*(y-3) = 7y+2\r \n" ); document.write( "\n" ); document.write( "Expand: \n" ); document.write( "xy-3x = 7y+2\r \n" ); document.write( "\n" ); document.write( "Subtract 7y from both sides and add 3x to both sides: \n" ); document.write( "xy-7y = 3x+2\r \n" ); document.write( "\n" ); document.write( "Factor out y from both terms on the left: \n" ); document.write( "y(x-7) = 3x+2\r \n" ); document.write( "\n" ); document.write( "Divide both sides by x-7 \n" ); document.write( "y = (3x+2)/(x-7)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |