document.write( "Question 245811: Lord have mercy heres another one it says to solve by elimination method
\n" );
document.write( "0.3x-0.2y=4
\n" );
document.write( "0.2x+0.5y=-75/17
\n" );
document.write( "Pleeese someone help. Thanks so much \n" );
document.write( "
Algebra.Com's Answer #179496 by edjones(8007) You can put this solution on YOUR website! A) 0.3x-0.2y=4 \n" ); document.write( "B) 0.2x+0.5y=-75/17 \n" ); document.write( ". \n" ); document.write( "A) 3x-2y=40 multiply by 10 \n" ); document.write( "B) 2x+5y=-750/17 \n" ); document.write( "B) 34x+85y=-750 Multiply by 17 \n" ); document.write( ". \n" ); document.write( "B) 68x+170y=-1500 \n" ); document.write( "A) 255x-170y=3400 \n" ); document.write( "------------------------------add \n" ); document.write( "=>323x=1900 \n" ); document.write( ". \n" ); document.write( "x=100/17 \n" ); document.write( ". \n" ); document.write( "B) \n" ); document.write( " .2(100/17)+.5y=-75/17 \n" ); document.write( "20/17+.5y=-75/17 \n" ); document.write( ".5y=-95/17 \n" ); document.write( "y=-190/17 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |