Question 1177071
Sasha's age is 2 years older than twice her brother's age.  Sasha'a age is 17 minus her brother's age.  How old is Sasha?
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First, Sasha's age is not 2 years older, Sasha is 2 years older.
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S = 2B + 2
S = 17 - B
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17 - B = 2B + 2
3B = 15
B = 5
S = 12