document.write( "Question 464996: Solve using the substitution method 0.3x + 0.2y = 5, 0.5x + 0.4y = 11 \n" ); document.write( "
Algebra.Com's Answer #318548 by jorel1380(3719) You can put this solution on YOUR website! .3x+.2y=5 \n" ); document.write( "3x+2y=50 \n" ); document.write( "6x+4y=100 \n" ); document.write( "4y=100-6x; \n" ); document.write( ".5x+.4y=11 \n" ); document.write( "5x+4y=110 \n" ); document.write( "4y=110-5x \n" ); document.write( "110-5x=100-6x \n" ); document.write( "x=-10 \n" ); document.write( "2y=80 \n" ); document.write( "y=40.. \n" ); document.write( " |