Algebra
posted by Mari .
Last month, Stacie spent $57 on 4 allergy shots and 1 office visit. This month she spent $9 after 1 office visit and a refund for 2 allergy shots from her insurance company. How much does an office visit cost? An allergy shot?

57=V+4A
9=V2A
subtract the equations
48=6A solve for A, then go to equation 2 and solve for V 
Thank you, that helped lot. :3
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