document.write( "Question 725800: How do you do this equation by adding or using substitution??\r
\n" );
document.write( "\n" );
document.write( "4x=-3y-54
\n" );
document.write( "X=2y+3 \n" );
document.write( "
Algebra.Com's Answer #444321 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! How do you do this equation by adding or using substitution??\r \n" ); document.write( "\n" ); document.write( "4x=-3y-54 \n" ); document.write( "X=2y+3 \n" ); document.write( "---------- \n" ); document.write( "Using substitution, sub for x in the 1st equation. \n" ); document.write( "x = 2y + 3 \n" ); document.write( " \n" ); document.write( " |