Cosmetic Surgery If the number of cosmetic surgeries (in thousands) performed in 2009 on persons under the age of 18 is multiplied by 2 and then decreased by 4, the result is the number (in thousands) of cosmetic surgeries performed on persons over age 65 that year. If there were 70 (thousand) such surgeries performed on persons over age 65, find the number of cosmetic surgeries performed on persons under age 18. (Source: American Society for Aesthetic Plastic Surgery.)
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