two Brothers Marvin Lewis each invest $5000 into an account that earns 5% interest neither brothers deposit or withdraw anything
1 answer:
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Given:
The system of equation is,
-------- (1)
-------- (2)
To find the solution.
To solve the system of equation,
From (1) we get,
Putting this value into (2) we get,
or,
or,
or,
or,
or,
or,
From (1) we get,
or,
or,
Hence,
The solution is and