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

User Samuel Neugber
by
7.7k points

1 Answer

3 votes

Answer:

The required solution: (a, u) = (5,
(35)/(2))

Explanation:

80 = 2u + 9a and 70 = 2u + 7a find a and u-example-1
80 = 2u + 9a and 70 = 2u + 7a find a and u-example-2
User Ervin
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7.3k points
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