Book
Maths Puzzle
Algebra
How to (a) write the system of linear equations represented by the augmented matrix. Once the system is written,(b) use back substition to find its solution.
1. -3 -2 15
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Book Other Question
The computer club went on a field trip to a computer museum. the trip cost $240 to be paid for equally by each club member. The day before the trip, 4 students decided not to go. This increased the cost by $2 per student. How many students went to the museum?
Solve
x^2-5x=14