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Write the system of equations for the matrix. Then use back-substitution to find its solution.
Prostaglandin Inhibitor
A class of drugs or substances that reduce the production of prostaglandins, thereby reducing inflammation, pain, and fever.
Ibuprofen
A nonsteroidal anti-inflammatory drug (NSAID) used to reduce fever and treat pain or inflammation.
Acetaminophen
A common pain reliever and fever reducer, also known as paracetamol.
Caffeine
A central nervous system stimulant commonly found in coffee, tea, sodas, and chocolate, known for its ability to reduce fatigue and improve focus.
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