document.write( "Question 247874: Solve the following system of equations.
\n" );
document.write( "1) 3x+5y=7
\n" );
document.write( "2) 2x-3y=1 \n" );
document.write( "
Algebra.Com's Answer #180712 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 3x+5y=7 \n" ); document.write( "2x-3y=1 \n" ); document.write( "multiply the first by 2 and the second by 3\r \n" ); document.write( "\n" ); document.write( "6x+10y=14 \n" ); document.write( "6x-9y=3\r \n" ); document.write( "\n" ); document.write( "subtract them \n" ); document.write( "19y=11 \n" ); document.write( "y=11/19\r \n" ); document.write( "\n" ); document.write( "2x-3(11/19)=1 \n" ); document.write( "2x-33/19=19/19 \n" ); document.write( "add 33/19 to both sides \n" ); document.write( "2x=52/19 \n" ); document.write( "x=26/19\r \n" ); document.write( "\n" ); document.write( "check \n" ); document.write( "3(26/19)+5(11/19)=7 \n" ); document.write( "78+55=7*19 \n" ); document.write( "133=133 \n" ); document.write( "ok \n" ); document.write( " |