document.write( "Question 329029: If the average of 3, 8 and x is equal to the average of 7 and x, what is the value of x? \n" ); document.write( "
Algebra.Com's Answer #235745 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 3+8+x /3 = 7+x /2 \n" ); document.write( ".. \n" ); document.write( "11+x /3 =7+x /2 \n" ); document.write( "2(11+x)=3(7+x) \n" ); document.write( "22+2x=21+3x \n" ); document.write( "3x-2x=22-21 \n" ); document.write( "x=1 \n" ); document.write( " |