document.write( "Question 170178: The questions state to simplify. Please review and help me to understand where I went wrong. Thank you, Jackie
\n" );
document.write( "1. 2y + 3 -1/3(6x + 9y) + x
\n" );
document.write( "I simplified this way: 1/3(6x)=2x 1/3(9y)= 3y then 2y +3 -2x +3y +x= 2y+3y-2x+x+3= 5y+3x+3\r
\n" );
document.write( "\n" );
document.write( "2. 5x + 0(x +y) -3y +14 -3(y -x)
\n" );
document.write( "I simpified this way: 0(x)=x 0(y)=y 3(y)=3y 3(x)=3x then 5x+x+y-3y+14-3y-3x= 5x+1x-3x+1y-3y+14=3x-2y+14\r
\n" );
document.write( "\n" );
document.write( "Thank you for reviewing and correcting my work, Jackie \n" );
document.write( "
Algebra.Com's Answer #125620 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 1. 2y + 3 -1/3(6x + 9y) + x \n" ); document.write( "I simplified this way: 1/3(6x)=2x 1/3(9y)= 3y then 2y +3 -2x +3y +x= 2y+3y-2x+x+3= 5y+3x+3 \n" ); document.write( "------------------ \n" ); document.write( "2y + 3 -1/3(6x + 9y) + x \n" ); document.write( "= 2y + 3 -2x -3y +x \n" ); document.write( "= 3 -y -x \n" ); document.write( "You had +3y, you overlooked the minus sign \n" ); document.write( "---------------------------- \n" ); document.write( "2. 5x + 0(x +y) -3y +14 -3(y -x) \n" ); document.write( "I simpified this way: 0(x)=x 0(y)=y 3(y)=3y 3(x)=3x then 5x+x+y-3y+14-3y-3x= 5x+1x-3x+1y-3y+14=3x-2y+14 \n" ); document.write( "---------------------- \n" ); document.write( "5x + 0(x +y) -3y +14 -3(y -x) \n" ); document.write( "= 5x -3y +14 -3y +3x \n" ); document.write( "= 8x -6y +14 \n" ); document.write( "You added an x and a y, even tho they're multiplied by zero. And, -3*-x = +3x \n" ); document.write( "These things are tedious and error prone. \n" ); document.write( " |