Question 1131042
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The sum of three numbers is 7.  The sum of twice the first&#8203; number, 5 times the second&#8203; number, and 6 times the third 
number is 25.  The difference between 8 times the first number and the second number is 31.  Find the three numbers.
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Exactly like: Linear-systems/1124074, but with different numbers.

Solve, utilizing the same concepts!</font></font></font></b></pre>