SOLUTION: what is the solution of the system? 8x+9y=21 x=12-3y

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Question 233448: what is the solution of the system?
8x+9y=21
x=12-3y
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
8(12-3y)+9y=21
you take it from there.
Bob