document.write( "Question 268275: Juan is 8 years older than his sister. In 3 years, he will be twice as old as she will be then. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #196651 by scott8148(6628)\"\" \"About 
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j = s + 8\r
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\n" ); document.write( "\n" ); document.write( "j + 3 = 2(s + 3)\r
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\n" ); document.write( "\n" ); document.write( "substituting ___ (s + 8) + 3 = 2s + 6 ___ 5 = s\r
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\n" ); document.write( "\n" ); document.write( "j = 5 + 8 = 13
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