document.write( "Question 220768: I need help with step by step instructions that show how to solve:\r
\n" );
document.write( "\n" );
document.write( "x/2+2y/5=6
\n" );
document.write( "x/2-3y/5=-14
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #165662 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! (1) x/2 +2y/5 =6 \n" ); document.write( ". \n" ); document.write( "mult by lcd = 10,,,,,5x +4y = 60,,,,,(1a) \n" ); document.write( ". \n" ); document.write( "(2) x/2 -3y/5 = -14 \n" ); document.write( ". \n" ); document.write( "mult by lcd = 10,,,,,,5x -6y = -140,,,(2a) \n" ); document.write( ". \n" ); document.write( "(1a) -(2a) = 10y = 200,,,,,y= 20,,,,,,,,, \n" ); document.write( ". \n" ); document.write( "subst in (1a) 5x +4(20) =60 \n" ); document.write( ". \n" ); document.write( "5x +80 =60 \n" ); document.write( ". \n" ); document.write( "5x = -20 \n" ); document.write( ", \n" ); document.write( "x=-4,,,, \n" ); document.write( ". \n" ); document.write( "check,,,,,,(-4,20),,,(1) (-4)/2 +2(20)/5 =-2 + 8 =6,,,,ok \n" ); document.write( ". \n" ); document.write( "(2) (-4)/2 -3(20)/5 = -2 -12 = -14,,,,,ok \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " |