document.write( "Question 366416: how do I solve using the substituion method with the following equations. 3b-2a=4 and b/2-2a/3=1?\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #261108 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 3b-2a=4 \n" ); document.write( "3b= 4+2a \n" ); document.write( "3b=2(2+a) \n" ); document.write( "b=2(2+a)/3\r \n" ); document.write( "\n" ); document.write( "....\r \n" ); document.write( "\n" ); document.write( " and b/2-2a/3=1 \n" ); document.write( "Plug value of b in the baove equation \n" ); document.write( "2(2+a)/3*2 - 2a/3 =1\r \n" ); document.write( "\n" ); document.write( "(2+a)/3 -2a/3 =1 \n" ); document.write( "... \n" ); document.write( "(2+a-2a)/3 =1 \n" ); document.write( "(2-a) /3=1 \n" ); document.write( "2-a=3 \n" ); document.write( "a=2-3 \n" ); document.write( "a=-1\r \n" ); document.write( "\n" ); document.write( "plug value of a in the equation\r \n" ); document.write( "\n" ); document.write( "b=2(2+a)/3 \n" ); document.write( "b=2(2-1)/3 \n" ); document.write( "b=2/3 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |