10th grade math
posted by Rebecca .
The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the first number.

10th grade math 
Reiny
Translate the "math" into English ...
first number: x
second number: 12x  3
third number: 7x + 4
finally:
x + 12x3 + 7x+4 = 301
solve for x, etc.
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