Question 1131554
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Melissa's brother is 7 years old. 
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call b, the age for Melissa's brother.
b=7.



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Three years ago she was as old as he is now.
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m, for Melissa.
{{{m-3=7}}}
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{{{m=10}}}----------Melissa is currently 10 years of age.




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 How old will Melissa be in 4 years?
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