document.write( "Question 978862: If 2x+5y=21 and x+y=3 What is the value of x \n" ); document.write( "
Algebra.Com's Answer #600252 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 2x+5y=21 and x+y=3 \n" ); document.write( "------------ \n" ); document.write( "2x+5y=21 \n" ); document.write( "2x+2y=6 (2nd eqn times 2) \n" ); document.write( "------------------------------ Subtract \n" ); document.write( " |