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Solve the system of equations using Cramer's rule, if possible. Do not use a calculator.
Intrinsically Motivated
Being motivated by internal factors or rewards, such as personal satisfaction or enjoyment of a task, rather than by external incentives.
Curious
Having a strong desire to know or learn something.
Grocery Coupons
Vouchers or codes that provide discounts on grocery items, typically used to promote products or encourage consumer purchases.
Train
A series of connected vehicles traveling on railways.
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