document.write( "Question 207938: solve system using addition method
\n" );
document.write( "x+2y=20
\n" );
document.write( "5x-2y+16
\n" );
document.write( "solution
\n" );
document.write( "(?,?) \n" );
document.write( "
Algebra.Com's Answer #157298 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x+2y=20 \n" ); document.write( "5x-2y[=]16 add. I'll assume this is an = sign. \n" ); document.write( "------------ \n" ); document.write( "6x=36 \n" ); document.write( "x=36/6 \n" ); document.write( "x=6 ans. \n" ); document.write( "6+2y=20 \n" ); document.write( "2y=20-6 \n" ); document.write( "2y=14 \n" ); document.write( "y=14/2 \n" ); document.write( "y=7 ans. \n" ); document.write( " \n" ); document.write( " |