SOLUTION: One number is 12 more than 3 times another number. The sum of two numbers is -20. What are the numbers?

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Question 1086827: One number is 12 more than 3 times another number. The sum of two numbers is -20. What are the numbers?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A=12%2B3B
A%2BB=-20
Substituting,
%2812%2B3B%29%2BB=-20
4B=-32
Solve for B then use either equation to solve for A.