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sweet-ann [11.9K]
3 years ago
15

80 = 2u + 9a and 70 = 2u + 7a find a and u

Mathematics
1 answer:
nlexa [21]3 years ago
8 0

Answer:

The required solution: (a, u) = (5, \frac{35}{2})

Step-by-step explanation:

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