document.write( "Question 320618: Solve the following systems of equations using any method. \r
\n" );
document.write( "\n" );
document.write( "(b) 2x-1/3y=1/3
\n" );
document.write( " 3(x+1)-2(y-3)=11 \n" );
document.write( "
Algebra.Com's Answer #229621 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2x-1/3y=1/3 \n" ); document.write( "3(2x-1)=3y \n" ); document.write( "6x-3y=0....... 1 \n" ); document.write( ".. \n" ); document.write( "3(x+1)-2(y-3)=11 \n" ); document.write( "3x+3-2y+6=11 \n" ); document.write( "3x-2y=2.........2 \n" ); document.write( "multiply equation 2 by 2 subtract equation 1 \n" ); document.write( "6x-4y=4 \n" ); document.write( ".. \n" ); document.write( "6x-4y-6x+3y=4 \n" ); document.write( "-y=4 \n" ); document.write( "y=-4 \n" ); document.write( ".. \n" ); document.write( "plug the value of y in equation 1 \n" ); document.write( "6x+12=0 \n" ); document.write( "6x=-12 \n" ); document.write( "x=-2\r \n" ); document.write( "\n" ); document.write( "CHECK\r \n" ); document.write( "\n" ); document.write( "6x-3y=0 \n" ); document.write( "(6*-2) - (3*-4)=0\r \n" ); document.write( "\n" ); document.write( "Whenever you write fractions please put them in brackets. It makes our life easy \n" ); document.write( " |