document.write( "Question 860346: one-fourth of eric age last year plus triple his age next year is 45. How old is Eric? \n" ); document.write( "
Algebra.Com's Answer #518340 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Eric's age now------x\r \n" ); document.write( "\n" ); document.write( "last year x-1 years\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "next year age = x+1\r \n" ); document.write( "\n" ); document.write( "(x-1)/4 + 3(x+1) =45\r \n" ); document.write( "\n" ); document.write( "x-1 +12(x+1)=4*45\r \n" ); document.write( "\n" ); document.write( "x-1+12x+12 =180\r \n" ); document.write( "\n" ); document.write( "13x+11=180\r \n" ); document.write( "\n" ); document.write( "13x= 180-11\r \n" ); document.write( "\n" ); document.write( "13x=169\r \n" ); document.write( "\n" ); document.write( "x= 13 years age now \n" ); document.write( " |