document.write( "Question 238467: Twice Jim's age, added to Sally's age gives a total of 30. Jim's age 4 years from now will be the same as Sally's age 8 years ago. How old is each now? \n" ); document.write( "
Algebra.Com's Answer #175221 by checkley77(12844)\"\" \"About 
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2J+S=30 OR S=30-2J
\n" ); document.write( "(30-2J)-8=J+4
\n" ); document.write( "30-2J-8=J+4
\n" ); document.write( "-2J-J=4+8-30
\n" ); document.write( "-3J=-18
\n" ); document.write( "J=-18/-3
\n" ); document.write( "J=6 JIM'S AGE NOW.
\n" ); document.write( "2*6+S=30
\n" ); document.write( "12+S=30
\n" ); document.write( "S=30-12
\n" ); document.write( "S=18 SALLY'S AGE NOW.
\n" ); document.write( "PROOF:
\n" ); document.write( "30-2*6-8=6+4
\n" ); document.write( "30-12-8=10
\n" ); document.write( "10=10\r
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