Question 838406
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Hi,
Let x represent cost of Algebra book and y the cost of a geometry book
Question States:
 x + 3y = 83   0r  {{{x = 83 - 3y}}}
3x + 2y = 95
3(83-3y) + 2y = 95
  249-95 = 7y
     154 = 7y
       y = $22, cost of geometry book, Algebra book is $17 {{{83-3*22}}}
CHECKING our answer***
 3x + 2y = 95
 51 + 44 = 95