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)\"\" \"About 
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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( "
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