document.write( "Question 832203: Three years from now, Judith will be y years old. How old was she 4 years ago
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Algebra.Com's Answer #501902 by JulietG(1812)\"\" \"About 
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She will be y-7 years old. Think of her age on a number line.
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\n" ); document.write( "We can plug in numbers to be certain. Let's say Judith is 12 years old right now. In three years, she'll be 15. 4 years ago she was 8. 15-8=7 (y-7)
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