document.write( "Question 405796: Solve by substitution:3y+4x=5 x+y=1 \n" ); document.write( "
Algebra.Com's Answer #286588 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 3(1-x)+4x=5 \n" ); document.write( "3-3x+4x=5 \n" ); document.write( "x=2 \n" ); document.write( "------------ \n" ); document.write( "3y+4*2=5 \n" ); document.write( "3y+8=5 \n" ); document.write( "3y=-3 \n" ); document.write( "y=-1 \n" ); document.write( "----------------- \n" ); document.write( "2-1=1 \n" ); document.write( " |