document.write( "Question 395512: 10) how to solve x+2y=8 with the substitution of x+3y=12 \n" ); document.write( "
Algebra.Com's Answer #280676 by Jstrasner(112)![]() ![]() You can put this solution on YOUR website! Hey, \n" ); document.write( "So for this one we need to isolate one of the variables: \n" ); document.write( "x+2y=8 => x=8-2y \n" ); document.write( "Then substitute 8-2y for x in the second equation: \n" ); document.write( "(8-2y) + 3y = 12 \n" ); document.write( "then subtract 8 from both sides and you get: \n" ); document.write( "y = 4 \n" ); document.write( "I hope this helps! \n" ); document.write( " |