document.write( "Question 132445: Grandpa Gump is 63 years old.His age is 2 years less than 5 times the age of Billy Gump.How old is Billy? \n" ); document.write( "
Algebra.Com's Answer #96827 by TakeATuition.com(57)![]() ![]() ![]() You can put this solution on YOUR website! Let The age of billy be x \n" ); document.write( "Grandpa Gump =63 years \n" ); document.write( "grandpa gump is 2 years less then 5 times age of billy =5x-2 \n" ); document.write( "therefore 5x-2=63 ......(1)equation \n" ); document.write( " 5x-2+2=63+2 adding +2 on both sides \n" ); document.write( " 5x=63+2 \n" ); document.write( " 5x=65 \n" ); document.write( " 5x/5=65/5 divding both sides by 5 \n" ); document.write( " x=13 \n" ); document.write( "there fore age of billy is 13 years we can cross check it by substituting its value in equation(1) \n" ); document.write( " 5x-2=63 \n" ); document.write( " 5(13)-2=63 \n" ); document.write( " 65-2=63 \n" ); document.write( " 63=63 as value on left hand side is equal ot the value on right hand side therefore our answer is correct \n" ); document.write( " |