NRICH: System Speak

Five equations… five unknowns… can you solve the system?

Take a look at the system of equations below:

ab=1

bc=2

cd=3

de=4

ea=6

Can you find a set of values {a, b, c, d, e} that satisfy the system?
Can you find more than one?

Age 16 to 18


Algebra & Pre-Algebra, Equations
High School, Educator

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NRICH (University of Cambridge)

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