document.write( "Question 261314: Jill's present age is three times her sister's age two years ago. If Jill is 18 years old, how old is her sister now? \n" ); document.write( "
Algebra.Com's Answer #192620 by Ruli(21)![]() ![]() ![]() You can put this solution on YOUR website! Her sister's age 2 years ago = (x - 2) \n" ); document.write( "Jill's present age = 3(x - 2)=18 \n" ); document.write( "3(x - 2) = 18 \n" ); document.write( "3x - 6 = 18 \n" ); document.write( "3x - 6 + 6 = 18 + 6 \n" ); document.write( "3x = 24 \n" ); document.write( "x = 8 \n" ); document.write( "check: \n" ); document.write( "3(8 - 2) \n" ); document.write( "3(6)= 18 \n" ); document.write( " |