SOLUTION: Use the elimination method to solve the system of equations a+ 7b = 9 a + 2b = -1 Is there one solution, what is it Is there infinitely solutions There is no solution

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Question 715475: Use the elimination method to solve the system of equations
a+ 7b = 9
a + 2b = -1
Is there one solution, what is it
Is there infinitely solutions
There is no solution
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Use the elimination method to solve the system of equations
a + 7b = 9
a + 2b = -1
-------------- Subtract