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IrinaVladis [17]
3 years ago
14

One number is eight less than the second number. Twice the first is 9 more than 3 times the second. Find the numbers

Mathematics
1 answer:
Alik [6]3 years ago
7 0

Answer:

-49/3 and -25/3

Step-by-step explanation:

Let the numbers be represented by f and s (first and second).  Then f = s - 8.  Also, 2f = 3s + 9.  Solve this system for f and s:

Substituting s - 8 for f in the 2nd equation, above, yields

2(s - 8) = 3s + 9, or 2s - 16 = 3s + 9.  Then 3s = -25, and s = -25/3.  The first number is then f = s - 8, or f = -25/3 - 8, or f = -49/3.



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